Search Results: "derby crash 2"

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What is an Animal? Crash Course Zoology #1

209 views / 1 likes - added 3 years ago

Check out Animal IQ on PBS Terra! https://youtu.be/Ejhbr_t7BlcSo what is an animal anyway? In our inaugural episode of Crash Course Zoology, well endeavor to answer just that because as it turns out, its complicated! But before we get there well need to i
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Non-Human Animals: Crash Course Philosophy #42

617 views / 0 likes - added 7 years ago

Today we are taking all the things we have learned this year about doing philosophy and applying that to moral considerations regarding non-human animals. We’ll explore what philosophers like Peter Singer and Carl Cohen have to say about their use, includ
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Why It's So Hard To Make Better Batteries: Crash Course Engineering #32

344 views / 0 likes - added 4 years ago

There are batteries powering so many parts of our everyday lives, so today were going to talk about how they work and how we can make them better. Well explain how they provide power by discharging ions between a cathode and an anode, and how reversing th
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Motion In A Straight Line: Crash Course Physics #1

1,696 views / 1 likes - added 8 years ago

In this, THE FIRST EPISODE of Crash Course Physics, your host Dr. Shini Somara introduces us to the ideas of motion in a straight line. She talks about displacement, acceleration, time, velocity, and the definition of acceleration. Also, how does a physic
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Trauma&Addiction: Crash Course Psychology #31

673 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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Solutions: Crash Course Chemistry #27

705 views / 0 likes - added 9 years ago

This week, Hank elaborates on why Fugu can kill you by illustrating the ideas of solutions and discussing molarity, molality, and mass percent. Also, why polar solvents dissolve polar solutes, and nonpolar solvents dissolve nonpolar solutes. All that plus
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HOVERBOARD TEST! (PART 2/2)

394 views / 0 likes - added 3 years ago

Check out http://kiwico.com/Hacksmith50 for 50% off your first month of any crate!Thanks to Grepow for providing the Epic LiPo batteries http://bit.ly/2JLYCltVisit Twin City Graphics for all your vinyl wrapping needs http://www.twincitygraphics.com/Check
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How Computers Calculate - the ALU: Crash Course Computer Science #5

720 views / 0 likes - added 7 years ago

Take the 2017 PBS Digital Studios Survey: http://surveymonkey.com/r/pbsds2017. Today we're going to talk about a fundamental part of all modern computers. The thing that basically everything else uses - the Arithmetic and Logic Unit (or the ALU). The ALU
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The Roaring 20's: Crash Course US History #32

2,207 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th
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Life and Longevity: Crash Course History of Science #44

314 views / 0 likes - added 4 years ago

It's time to have a look at the future of human life and how technology could possibly extend longevity. But, within that tech, are questions of ethics that are not always at the top of mind when the tech is being developed. In this episode, Hank sits dow
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Bodies and Dollars: Crash Course History of Science #41

358 views / 0 likes - added 4 years ago

After World War Two, the applications of basic discoveries in biology took offand became big business. Today, well look at the rise of Big Pharma and GMO foods. Well also discuss how life-science technologies fundamentally changed reproduction: its time t
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Karl Popper, Science, And Pseudoscience: Crash Course Philosophy #8

719 views / 1 likes - added 8 years ago

The early 1900s was an amazing time for Western science, as Albert Einstein was developing his theories of relativity and psychology was born, as Sigmund Freud and psychoanalysis took over the scientific mainstream. Karl Popper observed these developments
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Political Campaigns: Crash Course Government And Politics #39

559 views / 0 likes - added 8 years ago

So political campaigns are a pretty big deal in the United States. For instance the 2012 presidential election clocked in at the most expensive ever - at around $6 billion dollars! Needless to say, money plays a very big role in American elections. So tod
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PLANE CRASH IN 360 - BOOKCRAFT VR

783 views / 5 likes - added 7 years ago

Here's the third 360 Bookcraft video! Plane crash episode: https://www.youtube.com/watch?v=5pt2oi_gBMo Episode 1: https://www.youtube.com/watch?v=0JzMPG7pJ9M Episode 2: https://www.youtube.com/watch?v=JOD6FSTotfI&t=4s Bookcraft build team: https://www.you
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Introduction To Intellectual Property: Crash Course IP 1

825 views / 0 likes - added 9 years ago

This week, Stan Muller launches the Crash Course Intellectual Property mini-series. So, what is intellectual property, and why are we teaching it? Well, intellectual property is about ideas and their ownership, and it's basically about the rights of creat
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Board Games: Crash Course Games #14

714 views / 0 likes - added 7 years ago

Today, we’re going to talk about board games, but instead of trying to trace their histories, which we’ve already covered a bit of in ep2 on ancient games, we’re going to look really closely at just two board games - Monopoly and The Settlers of Catan. Th
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Kant & Categorical Imperatives: Crash Course Philosophy #35

994 views / 0 likes - added 7 years ago

Our next stop on our tour of ethics is Kant’s ethics. Today Hank explains hypothetical and categorical imperatives, the universalizability principle, autonomy, and what it means to treat people as ends-in-themselves, rather than as mere means. Get your ow
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Recession, Hyperinflation, And Stagflation: Crash Course Econ #13

985 views / 0 likes - added 8 years ago

If you're ever put in charge of a national economy, there are a few things you should try to avoid. Before you laugh, just remember, you COULD be in charge of an economy someday. Someone has to do it, and anyway, if it could happen to Alan Greenspan, it c
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Early Programming: Crash Course Computer Science #10

605 views / 0 likes - added 7 years ago

Since Joseph Marie Jacquard’s textile loom in 1801, there has been a demonstrated need to give our machines instructions. In the last few episodes, our instructions were already in our computer’s memory, but we need to talk about how they got there - this
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Skyscrapers, Statics, & Dynamics: Crash Course Engineering #26

275 views / 0 likes - added 4 years ago

What if you were on a high floor of a skyscraper and the building started swaying? Today well explore statics and dynamics, and what they mean for the structures we design. We look at the idea of static equilibrium, forces, and torques, and how free body
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The Atomic Bomb: Crash Course History of Science #33

557 views / 0 likes - added 4 years ago

The story picks up where we left off last time, with Einstein writing the president of his new homeland, the United States, urging him to build a nuclear weapon before Hitler. This is the tale of the most destructive force humans have ever unleashed. The
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Electrochemistry: Crash Course Chemistry #36

1,494 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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Personhood: Crash Course Philosophy #21

822 views / 0 likes - added 7 years ago

Now that we’ve started talking about identity, today Hank tackles the question of personhood. Philosophers have tried to assess what constitutes personhood with a variety of different criteria, including genetic, cognitive, social, sentience, and the grad
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This Baby Dinosaur Grows from 2 to 2,000 POUNDS! | DINO POPS

137 views / 0 likes - added 8 months ago

WATCH MORE https://www.youtube.com/playlist?list=UULFPwiAPYRT1JCna3GYf-vkCg SUBSCRIBE https://www.youtube.com/channel/UCPwiAPYRT1JCna3GYf-vkCg?sub_confirmation=1Travel through different eras to meet a Triceratops, a baby Mussaurus and the Dilophosaurus!Se
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Why Human Ancestry Matters: Crash Course Big History 205

503 views / 0 likes - added 6 years ago

This week, Emily Graslie is teaching you about human ancestry and geneaology, how we got to be the species we are, and why that matters in our zoomed out look at Big History. For more information, visit the Big History Project: http://www.bighistoryprojec
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Muscles, Part 1 - Muscle Cells: Crash Course A&P #21

1,283 views / 2 likes - added 9 years ago

We're kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skeletal muscles create movement by contracting and releasing in a process called the sliding filament m
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Family Obligations: Crash Course Philosophy #43

766 views / 1 likes - added 7 years ago

For most of you, your parents brought you into this world. They also fed you, and changed your diapers, and wiped your tears. They raised you. Yet, according to contemporary American philosopher Jane English, once you’re grown, you don’t owe your parents
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Divine Command Theory: Crash Course Philosophy #33

716 views / 0 likes - added 7 years ago

As we venture into the world of ethics, there are a lot of different answers to the grounding problem for us to explore. One of the oldest and most popular is the divine command theory. But with age comes a long history of questions, too, such as the dile
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The First Home Consoles: Crash Course Games #5

546 views / 3 likes - added 8 years ago

So last week Andre talked about Atari’s role in the rise of the video game industry, but Atari wasn’t the only major player in the 1970s. So we’re going to step back a few years and first talk about Ralph Baer who designed the first video game console - t
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Singapore Math: Grade 3a Unit 2 (part 2)

511 views / 0 likes - added 9 years ago

Word problem with cookies
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20-Minute Vs. 2-Hour Vs. 2-Day Cheesecake Tasty

378 views / 0 likes - added 4 years ago

Shop the NEW Tasty Merch: https://bzfd.it/shoptastyyoutubeSubscribe to Tasty: https://bzfd.it/2ri82Z1About Tasty:The official YouTube channel of all things Tasty, the world's largest food network. From recipes, world-class talent, and top-of-the-line cook
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Evolutionary Development: Chicken Teeth - Crash Course Biology #17

1,072 views / 0 likes - added 9 years ago

Hank introduces us to the relatively new field of evolutionary developmental biology, which compares the developmental processes of different organisms to determine their ancestral relationship, and to discover how those processes evolved. Also fruit flie
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Web Search: Crash Course AI #17

331 views / 0 likes - added 4 years ago

Today were going to talk about search engines, which are just AI systems that try to help us find what were looking for. Search engines can be the sort that serve up a list of results, like during a Google or Bing search, using web crawlers, an inverted i
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The Mind/Brain: Crash Course History of Science #30

288 views / 0 likes - added 4 years ago

Scientists in the nineteenth century discovered a lot about life and matter. But exactly what kind of stuff is the human brain? That one wasand istricky.The brain scienceswith experiments and therapies tied to biological theories of the bodyemerged in the
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Poverty & Our Response To It: Crash Course Philosophy #44

658 views / 2 likes - added 7 years ago

We’re picking up where we left off last time, exploring the “ethics of care” and how it applies to extreme poverty. Are we responding to global poverty in a moral way? Philosophers like Peter Singer argue that we have an obligation to prevent harm caused
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Democracy, Authoritarian Capitalism, and China: Crash Course World History 230

898 views / 1 likes - added 9 years ago

In which John Green teaches you about the end of World History, and the end of the world as we know it, kind of. For the last hundred years or so, it seemed that one important ingredient for running an economically successful country was a western-style d
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Chi-Square Tests: Crash Course Statistics #29

372 views / 0 likes - added 4 years ago

Today we're going to talk about Chi-Square Tests - which allow us to measure differences in strictly categorical data like hair color, dog breed, or academic degree. We'll cover the three main Chi-Square tests: goodness of fit test, test of independence,
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Blood, Part 1 - True Blood: Crash Course A&P #29

1,822 views / 0 likes - added 8 years ago

Now that we've talked about your blood vessels, we're going to zoom in a little closer and talk about your blood itself. We'll start by outlining the basic components of blood -- including erythrocytes, leukocytes, platelets, and plasma -- as well as the
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The Great Escape: Crash Course Kids #13.1

1,247 views / 2 likes - added 9 years ago

Do you know how many people have been to the moon? Only 12! Part of the reason it's so few is because of how difficult it is to escape Earth and get into space in the first place. In this episode of Crash Course Kids, Sabrina talks about gravity, escape v
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Degrees of Freedom and Effect Sizes: Crash Course Statistics #28

401 views / 1 likes - added 4 years ago

Today we're going to talk about degrees of freedom - which are the number of independent pieces of information that make up our models. More degrees of freedom typically mean more concrete results. But something that is statistically significant isn't alw
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Absolute Monarchy: Crash Course European History #13

746 views / 0 likes - added 4 years ago

So far, the rulers of Europe have been working to consolidate their power and expand their kingdoms, and this is it. The moment they've been working toward: Absolute Monarchy. We're going to learn about how kings and queens became absolute rulers in Europ
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100 Years of Solitude Part 1: Crash Course Literature 306

640 views / 1 likes - added 7 years ago

Our first of two episodes about Gabriel Garcia Marquez's novel, 100 Years of Solitude. This week, we're looking at the Buendia family, and their many generations of people with the same names. We'll also look at the fascinating way the author thinks about
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Darwin and Natural Selection: Crash Course History of Science #22

779 views / 0 likes - added 4 years ago

"Survival of the Fittest" sounds like a great WWE show but today we're talking about that phrase as it relates to Charles Darwin and Alfred Wallace. Darwin and Wallace are at the heart of understanding evolution and natural selection. Today, Hank talks ab
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The Singularity, Skynet, and the Future of Computing: Crash Course Computer Science #40

537 views / 0 likes - added 6 years ago

In our SERIES FINALE of Crash Course Computer Science we take a look towards the future! In the past 70 years electronic computing has fundamentally changed how we live our lives, and we believe it’s just getting started. From ubiquitous computing, artifi
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Copyright, Exceptions, And Fair Use: Crash Course Intellectual Property #3

729 views / 0 likes - added 9 years ago

Stan Muller teaches you a few things about copyright enforcement, and talks about the exceptions to copyright enforcement. While there are several, the one you've probably heard of is Fair Use, and it's a pretty tricky one. We'll try to explain it, and te
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The Scientific Methods: Crash Course History of Science #14

738 views / 0 likes - added 4 years ago

Historically speaking, there is no one scientific method. Theres more than one way to make knowledge. In this episode we're going to look at a few of those ways and how they became more of the "norm."***Crash Course is on Patreon! You can support us direc
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The Impacts of Social Class: Crash Course Sociology #25

568 views / 0 likes - added 6 years ago

This week we are building on last week’s outline of American stratification to explore how class differences affect people’s daily lives. We’ll explore variations in everything from values & beliefs to health outcomes, and look at how these things can per
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Colored Pencils Comparison +SYA (2/2/15)

736 views / 1 likes - added 9 years ago

We compare different brands (prices) of colored pencils. Plus, we show off all the mail and emails you've sent us! EMAIL A PHOTO OF YOUR ART: myart@artforkidshub.com MAIL US YOUR ART: Art for Kids Hub P.O. Box 927 Pleasant Grove, UT 84062 SUBSCRIBE for re
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Defining Gravity: Crash Course Kids #4.1

1,978 views / 7 likes - added 9 years ago

So, if gravity pulls everything down, then why don't things on the bottom of the Earth get pulled down into space? In this episode of Crash Course Kids, Sabrina talks about gravity and explains that when we talk about gravity pulling things down, what we
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LARP: Crash Course Games #26

466 views / 0 likes - added 7 years ago

Today we’re going to talk about LARPs or live action role-playing games. Larping tends to conjure up the image of a bunch of nerds hitting each other with foam weapons but it’s much more than that. LARPs merge performance, community, and art in a way that
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How Voters Decide: Crash Course Government And Politics #38

731 views / 0 likes - added 8 years ago

So today, Craig is going to try to get inside the heads of voters by discussing how voters make decisions. Now obviously, like all decision making, voter decisions are influenced by a multitude of factors, but the three we are going to focus on today (and
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Orbitals: Crash Course Chemistry #25

891 views / 0 likes - added 9 years ago

In this episode of Crash Course Chemistry, Hank discusses what Molecules actually look like and why, some quantum-mechanical three dimensional wave functions are explored, he touches on hybridization, and delves into sigma and pi bonds. -- Table of Conten
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Money&Debt: Crash Course World History 202

914 views / 0 likes - added 9 years ago

In which John Green teaches about filthy, filthy lucre. Money. And Debt. So, what is money? And what is it for? And why do we use money? And why does it all disappear so quickly after payday? John will look into 75% of these questions, and if he doesn't c
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Exercise: Crash Course Study Skills #10

679 views / 0 likes - added 6 years ago

We’re finally to the end of our time together here on Crash Course Study Skills, so this week we’re taking a more holistic approach to being the best learner you can. Part of taking care of your brain is taking care of your whole body, of which your brain
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The Cold War and Consumerism: Crash Course Computer Science #24

589 views / 0 likes - added 6 years ago

Today we’re going to step back from hardware and software, and take a closer look at how the backdrop of the cold war and space race and the rise of consumerism and globalization brought us from huge, expensive codebreaking machines in the 1940s to afford
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Spaced Out: Crash Course Kids #25.1

758 views / 2 likes - added 8 years ago

So... how big is the Universe? It's big... really big... no, bigger than that... it's big. In this episode of Crash Course Kids, Sabrina gives us some perspective on this whole Universe thing and how we fit into it. Watch More Crash Course Kids: https://w
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The Central Processing Unit (CPU): Crash Course Computer Science #7

1,140 views / 0 likes - added 7 years ago

Take the 2017 PBS Digital Studios Survey: http://surveymonkey.com/r/pbsds2017. Today we’re going to build the ticking heart of every computer - the Central Processing Unit or CPU. The CPU’s job is to execute the programs we know and love - you know like G
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Stock Market Crash of 1929: The Great Depression

930 views / 1 likes - added 2 years ago

History and lessons from the 1929 stock market crash.
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OCD&Anxiety Disorders: Crash Course Psychology #29

905 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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Intro to Psychology - Crash Course Psychology #1

1,009 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
12:59 Popular
The End of Civilization (In the Bronze Age): Crash Course World History 211

871 views / 1 likes - added 9 years ago

In which John Green teaches you about the Bronze Age civilization in what we today call the middle east, and how the vast, interconnected civilization that encompassed Egypt, The Levant, and Mesopotamia came to an end. What's that you say? There was no su
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Einstein's Revolution: Crash Course History of Science #32

338 views / 0 likes - added 4 years ago

There was physics before Einstein in the same way that there was biology before Darwin. Einstein didnt just add some new ideas to physics. And he didnt just add a unifying framework for doing physics, like Newton. Einstein took what people thought was phy
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Why Star Stuff Matters: Crash Course Big History 202

576 views / 0 likes - added 7 years ago

So, the stars made the elements, we're all made of star stuff, etc. But what does all this mean? This week Emily Graslie teaches you how the formation of chemical elements in the bellies of the earliest stars made life as we know it possible. Namely, we'l
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Training Neural Networks: Crash Course AI #4

313 views / 0 likes - added 4 years ago

Today were going to talk about how neurons in a neural network learn by getting their math adjusted, called backpropagation, and how we can optimize networks by finding the best combinations of weights to minimize error. Then well send John Green Bot into
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Why Early Globalization Matters: Crash Course Big History #206

621 views / 0 likes - added 6 years ago

Globalization has been in process for centuries, and has had a huge effect on Big History, and on Collective Learning. This week, Emily is investigating early globalization through three things that moved around the world and shaped collective learning in
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Patents, Novelty, And Trolls: Crash Course Intellectual Property #4

1,416 views / 0 likes - added 9 years ago

This week, Stan teaches you about patents. It turns out, they're patently complicated! So, patents have some similarity to copyright, in that they grant a limited monopoly to people who invent things. The key difference in patents and copyright is that pa
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Luther and the Protestant Reformation: Crash Course World History #218

1,005 views / 4 likes - added 9 years ago

In which John Green teaches you about the Protestant Reformation. Prior to the Protestant Reformation, pretty much everyone in Europe was a Roman Catholic. Not to get all great man, but Martin Luther changed all that. Martin Luther didn't like the corrupt
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Utilitarianism: Crash Course Philosophy #36

1,113 views / 1 likes - added 7 years ago

Our next stop in our tour of the ethical lay of the land is utilitarianism. With a little help from Batman, Hank explains the principle of utility, and the difference between act and rule utilitarianism. Get your own Crash Course Philosophy mug or Chom Ch
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Studying for Exams: Crash Course Study Skills #7

495 views / 0 likes - added 6 years ago

It turns out that saving all of your studying until after midnight on the night before your big exam is not actually a great way to prepare. Today, Thomas explains some test prep strategies that actually work. Crash Course is made with Adobe Creative Clou
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Compression: Crash Course Computer Science #21

1,393 views / 0 likes - added 6 years ago

Get your first two months of CuriosityStream free by going to http://curiositystream.com/crashcourse and using the promo code “crashcourse”. So last episode we talked about some basic file formats, but what we didn’t talk about is compression. Often files
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Why Human Evolution Matters: Crash Course Big History 204

708 views / 0 likes - added 6 years ago

This week on Crash Course Big History, Emily is talking about process of human evolution, and the knack for innovation that has allowed humans to become so dominant on the Earth. Human innovation, and the ability to build on those innovations generation a
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Equilibrium: Crash Course Chemistry #28

1,190 views / 0 likes - added 9 years ago

In this episode of Crash Course Chemistry, Hank goes over the ideas of keeping your life balance... well, your chemical life. Equilibrium is all about balance and today Hank discusses Chemical Equilibrium, Concentration, Temperature, and Pressure. Also, h
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3D Graphics: Crash Course Computer Science #27

675 views / 0 likes - added 6 years ago

Today we’re going to discuss how 3D graphics are created and then rendered for a 2D screen. From polygon count and meshes, to lighting and texturing, there are a lot of considerations in building the 3D objects we see in our movies and video games, but th
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Graphical User Interfaces: Crash Course Computer Science #26

662 views / 0 likes - added 6 years ago

Today, we're going to discuss the critical role graphical user interfaces, or GUIs played in the adoption of computers. Before the mid 1980's the most common way people could interact with their devices was through command line interfaces, which though ef
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Big Data Problems: Crash Course Statistics #39

423 views / 0 likes - added 4 years ago

There is a lot of excitement around the field of Big Data, but today we want to take a moment to look at some of the problems it creates. From questions of bias and transparency to privacy and security concerns, there is still a lot to be done to manage t
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Weather Vs. Climate: Crash Course Kids #28.1

2,312 views / 5 likes - added 8 years ago

So we have Weather and Climate... but are they the same thing? No, no they are not. But they are both super important to how the geosphere is shaped. In this episode of Crash Course Kids, Sabrina chats with us about the differences between Weather and Cli
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Existentialism: Crash Course Philosophy #16

805 views / 0 likes - added 8 years ago

Now that we’ve left behind the philosophy of religion, it’s time to start exploring what other ways might exist to find meaning in the world. Today we explore essentialism and its response: existentialism. We’ll also learn about Jean-Paul Sartre and his i
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What On Earth: Crash Course Kids #10.1

1,305 views / 2 likes - added 9 years ago

We've already talked about how the Earth is divided into four spheres (The Hydrosphere, the Biosphere, the Geosphere, and the Atmosphere). But, how do these different sphere interact with each other? In this episode of Crash Course Kids, Sabrina chats wit
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Digestive System, Part 3: Crash Course A&P #35

929 views / 1 likes - added 8 years ago

Nachos are great...if you are among the lucky ones whose body can digest them. When digestion goes according to plan, the small intestine performs most of your chemical digestion in the duodenum, while accessory organs including the liver, gallbladder, an
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The Normal Distribution: Crash Course Statistics #19

1,168 views / 0 likes - added 4 years ago

Today is the day we finally talk about the normal distribution! The normal distribution is incredibly important in statistics because distributions of means are normally distributed even if populations aren't. We'll get into why this is so - due to the Ce
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The Cold War: Crash Course US History #37

927 views / 3 likes - added 9 years ago

Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
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1984 by George Orwell, Part 1: Crash Course Literature 401

615 views / 1 likes - added 6 years ago

In which John Green returns for a dystopian new season of Crash Course Literature! We're starting with George Orwell's classic look at the totalitarian state that could be in post-war England. Winston Smith is under the eye of Big Brother, and making us t
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Work, Energy, And Power: Crash Course Physics #9

1,382 views / 0 likes - added 8 years ago

When you hear the word, "Work," what is the first thing you think of? Maybe sitting at a desk? Maybe plowing a field? Maybe working out? Work is a word that has a little bit of a different meaning in Physics and today, Shini is going to walk us through it
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Precipitation Reactions: Crash Course Chemistry #9

673 views / 0 likes - added 9 years ago

A lot of ionic compounds dissolve in water, dissociating into individual ions. But when two ions find each other that form an insoluble compound, they suddenly fall out of solution in what's called a precipitation reaction. In this episode of Crash Course
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Contractarianism: Crash Course Philosophy #37

672 views / 0 likes - added 7 years ago

Today we explore the penultimate ethical theory in this unit: contractarianism. Hank explains Hobbes’ state of nature, and implicit and explicit contracts, as well as the Prisoner’s Dilemma, and the benefits, and costs, of violating contracts. Get your ow
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Unsupervised Machine Learning: Crash Course Statistics #37

333 views / 0 likes - added 4 years ago

Today we're going to discuss how machine learning can be used to group and label information even if those labels don't exist. We'll explore two types of clustering used in Unsupervised Machine Learning: k-means and Hierarchical clustering, and show how t
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Artificial Intelligence & Personhood: Crash Course Philosophy #23

742 views / 0 likes - added 7 years ago

Today Hank explores artificial intelligence, including weak AI and strong AI, and the various ways that thinkers have tried to define strong AI including the Turing Test, and John Searle’s response to the Turing Test, the Chinese Room. Hank also tries to
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Educational Games: Crash Course Games #15

706 views / 0 likes - added 7 years ago

Chess, Number Munchers, The Oregon Trail! Today, we’re going to talk about gaming’s role in education. Now technically all games have an educational component, because games are defined by their rules and players have to learn those rules to participate.
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Reinforcement Learning: Crash Course AI#9

357 views / 1 likes - added 4 years ago

Reinforcement learning is particularly useful in situations where we want to train AIs to have certain skills we dont fully understand ourselves. Unlike some of the techniques weve discussed so far, reinforcement learning generally only looks at how an AI
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Material World: Crash Course Kids #40.1

1,447 views / 0 likes - added 8 years ago

So, we know what materials are, but can we make new materials? Or improve the materials we already have? In this episode of Crash Course Kids, Sabrina shows us how Material Scientists are working on these two things today. Also, your cell phone holds the
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The Problem Of Evil: Crash Course Philosophy #13

728 views / 0 likes - added 8 years ago

After weeks of exploring the existence of nature of god, today Hank explores one of the biggest problems in theism, and possibly the biggest philosophical question humanity faces: why is there evil? -- Images and video via VideoBlocks or Wikimedia Commons
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Bonding Models and Lewis Structures: Crash Course Chemistry #24

711 views / 0 likes - added 9 years ago

Models are great, except they're also usually inaccurate. In this episode of Crash Course Chemistry, Hank discusses why we need models in the world and how we can learn from them... even when they're almost completely wrong. Plus, Lewis Structures! -- Tab
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Parasympathetic Nervous System: Crash Course A&P #15

1,127 views / 1 likes - added 9 years ago

This week we are looking at your parasympathetic division, which is the "resting and digesting" unit. Unfortunately, learning about this de-stressing division also involves a whole lot of memorization. Don't worry, though - we've got some mnemonic devices
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Fabulous Food Chains: Crash Course Kids #7.1

1,440 views / 4 likes - added 9 years ago

Everyone eats, right? But how does that food get the energy to power you? In this episode of Crash Course Kids, Sabrina talks about the way energy moves, or flows, through an ecosystem and how that movement forms Food Chains! This first series is based on
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Algorithmic Bias and Fairness: Crash Course AI #18

283 views / 1 likes - added 4 years ago

Check out my collab with "Above the Noise" about Deepfakes: https://www.youtube.com/watch?v=Ro8b69VeL9UToday, we're going to talk about five common types of algorithmic bias we should pay attention to: data that reflects existing biases, unbalanced classe
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Procrastination: Crash Course Study Skills #6

689 views / 0 likes - added 6 years ago

You’re on YouTube right now, but you should probably be studying or writing that research paper. But as long as you’re here, we’re going to help you figure out how to get the better of your desire to procrastinate in the future. Just don’t forget about us
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Measuring Personality: Crash Course Psychology #22

1,042 views / 1 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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Proof: U=(3/2)PV or U=(3/2)nRT

798 views / 0 likes - added 9 years ago

Conceptual proof that the internal energy of an ideal gas system is 3/2 PV. More free lessons at: http://www.khanacademy.org/video?v=qSFY7GKhSRs
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Danger! Falling Objects: Crash Course Kids #32.1

1,317 views / 1 likes - added 8 years ago

So, what would happen if you dropped a hammer and a feather at the same time, from the same height? Well, the hammer would hit the ground first, right? But why? You might think it's because the hammer is heavier, or has more mass than the feather. But it'
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Marie Curie and Spooky Rays: Crash Course History of Science #31

634 views / 3 likes - added 4 years ago

It's time to talk about one of the most awesome scientists that has ever been awesome: Marie Curie. She figured out ways to get an amazing education despite the limitations of her homeland, discovered some really important answers to the question "what is
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What's Matter? - Crash Course Kids #3.1

3,111 views / 12 likes - added 9 years ago

Hey... what's matter? No no no, not what's THE matter. What's MATTER? In this episode of Crash Course Kids, Sabrina talks about what matter is and the three states of matter: Solid, Liquid, and Gas. She also does a quick experiment that you can do at home
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How To Argue - Induction & Abduction: Crash Course Philosophy #3

810 views / 1 likes - added 8 years ago

We continue our look at philosophical reasoning by introducing two more types: induction and abduction. Hank explains their strengths and weaknesses, as well as counterarguments and the Socratic method. -- Images and video via VideoBlocks or Wikimedia Com
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Congressional Decisions: Crash Course Government and Politics #10

638 views / 0 likes - added 9 years ago

This week Craig breaks out the crystal ball to try and figure out why our congresspeople do the things that they do. We’ll talk about the three motivating factors of congressional decisions - constituency, interest groups, and political parties - and we’l
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Aesthetic Appreciation: Crash Course Philosophy #30

788 views / 0 likes - added 7 years ago

Today we are talking about art and aesthetic appreciation. What makes something an artwork? Can art really be defined? Is aesthetic value is objective or subjective? Can taste be developed? How? Get your own Crash Course Philosophy mug or Chom Chom shirt
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MMORPGs - Crash Course Games #12

614 views / 0 likes - added 7 years ago

So we ended the last episode with casual gaming and a more connected gaming community, but these connected communities started much before smartphones and Facebook. Today, we’re going to talk about MMORPGs - or Massively Multiplayer Online Role Playing Ga
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The 2008 Financial Crisis: Crash Course Economics #12

645 views / 0 likes - added 8 years ago

Today on Crash Course Economics, Adriene and Jacob talk about the 2008 financial crisis and the US Goverment's response to the troubles. So, all this starts with home mortgages, and the use of mortgages as an investment instrument. For years, it seemed li
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Grip and Electric: Crash Course Film Production #10

557 views / 0 likes - added 6 years ago

It's time to look at some of the most under-sung heroes of the film world, Grip and Electric. Doing everything from setting up dollies and tripods, to helping the cinematographer shape the light with flags and silks, the Grips are there to make it work pr
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Cast of Zombies 2 - We Got This (From "ZOMBIES 2")

2,987 views / 14 likes - added 4 years ago

Were back here on the scene and everyones together! Check out the official music video for We Got This in ZOMBIES 2! Watch #ZOMBIES2 on February 14th 2020 on Disney Channel! Pre-order the ZOMBIES 2 soundtrack featuring "We Got This" here: https://disneymu
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Introduction: Crash Course U.S. Government and Politics

820 views / 0 likes - added 9 years ago

In which Craig Benzine introduces a brand new Crash Course about U.S. Government and Politics! This course will provide you with an overview of how the government of the United States is supposed to function, and we'll get into how it actually does functi
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Moon Phases: Crash Course Astronomy #4

1,973 views / 6 likes - added 9 years ago

In this episode of Crash Course Astronomy, Phil takes you through the cause and name of the Moon's phases. -- Why the Moon Has Phases 0:36.1 Spheres in Orbit 1:05.4 Name of the Moon Phases 2:25.5 How We See It 7:48.2 -- PBS Digital Studios: http://youtube
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Bayes in Science and Everyday Life: Crash Course Statistics #25

371 views / 0 likes - added 4 years ago

Today we're going to finish up our discussion of Bayesian inference by showing you how we can it be used for continuous data sets and be applied both in science and everyday life. From A/B testing of websites and getting a better understanding of psycholo
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Water Fight!: Crash Course Kids #36.1

1,529 views / 1 likes - added 8 years ago

So, what happens when there's not enough water? Well... not good things. Do we let homes have more water for showering and cooking? Or do we let farms have the water for growing crops? There aren't any easy solutions, but today Sabrina chats with us about
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Intro to Big Data: Crash Course Statistics #38

412 views / 0 likes - added 4 years ago

Today, we're going to begin our discussion of Big Data. Everything from which videos we click (and how long we watch them) on YouTube to our likes on Facebook say a lot about us - and increasingly more and more sophisticated algorithms are being designed
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Interest Groups: Crash Course Government And Politics #42

748 views / 0 likes - added 8 years ago

Today, Craig is going to talk about something you fans out there have been demanding for months - money in politics. Specifically, we're going to talk about special interest groups and their role in the U.S. political system. Special interest groups are g
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Natural Language Processing: Crash Course AI #7

486 views / 0 likes - added 4 years ago

For more information go to https://curiositystream.com/crashcourse So far in this series, we've mostly focused on how AI can interpret images, but one of the most common ways we interact with computers is through language - we type questions into search e
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Hunting For Properties: Crash Course Kids #9.1

797 views / 1 likes - added 9 years ago

Remember pre-school? If not, IT WAS SO MUCH EASIER! But when you were stacking blocks and figuring out which block went into which shaped hole, you were learning about properties. In this episode of Crash Course Kids, Sabrina talks about what properties a
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Liquids: Crash Course Chemistry #26

750 views / 1 likes - added 9 years ago

In this episode of Crash Course Chemistry, Hank gives you the low down on things like London Dispersion Forces, Hydrogen Bonds, Cohesion, Adhesion, Viscosity, Capillary Action, Surface Tension, and why liquids are just... WEIRD! -- TABLE OF CONTENTS Londo
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Controlling Bureaucracies: Crash Course Government And Politics #17

650 views / 0 likes - added 9 years ago

In which Craig Benzine tells you how we keep bureaucracy in check. So we've spent the last few episodes telling you all about what bureaucracies are and why they are formed. And throughout we've hinted about this ever-expanding power within the executive
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Mythical Mountains: Crash Course World Mythology #33

933 views / 0 likes - added 6 years ago

Our mythical places series continues, and this week Mike Rugnetta is talking about some stories that revolve around mountains. Mountains loom large in human stories, not least because mountains are, well, large. So ascend with us to the lofty peaks of The
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Italian and German Unification: Crash Course European History #27

580 views / 0 likes - added 4 years ago

So, we haven't talked much about Italy and Germany so far in Crash Course Euro, and that's because prior to the mid-19th century, those two nation-states weren't really a thing. Today we'll look at how Italy and Germany pulled it together in the second ha
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Keyboards & Command Line Interfaces: Crash Course Computer Science #22

694 views / 0 likes - added 6 years ago

Today, we are going to start our discussion on user experience. We've talked a lot in this series about how computers move data around within the computer, but not so much about our role in the process. So today, we're going to look at our earliest form o
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Political Parties: Crash Course Government And Politics #40

670 views / 1 likes - added 8 years ago

Today, Craig is going to talk about political parties and their role in American politics. So, when most people think about political parties they associate them with the common ideologies of the voters and representatives within that party, but the goal
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Taking Notes: Crash Course Study Skills #1

831 views / 0 likes - added 6 years ago

The first step in honing your new study skills is to take better notes. This week Thomas will tell you everything you need to know to come to class prepared and find a note-taking system that will help you retain and review like a champ. Resources: Study
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History of the 4th of July: Crash Course US History Special

832 views / 3 likes - added 9 years ago

In which John Green teaches you a bit about the 4th of July. In this special short Crash Course, John celebrates American Independence Day by teaching you how the holiday came to be on the 4th of July, and the many ways that Americans celebrate the day. T
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Registers and RAM: Crash Course Computer Science #6

738 views / 0 likes - added 7 years ago

Take the 2017 PBS Digital Studios Survey: http://surveymonkey.com/r/pbsds2017. Today we’re going to create memory! Using the basic logic gates we discussed in episode 3 we can build a circuit that stores a single bit of information, and then through some
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Memory & Storage: Crash Course Computer Science #19

589 views / 0 likes - added 6 years ago

Pre-order our limited edition Crash Course: Computer Science Floppy Disk Coasters here! https://store.dftba.com/products/computer-science-coasters So we’ve talked about computer memory a couple times in this series, but what we haven’t talked about is sto
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How To Speak Chemistrian: Crash Course Chemistry #11

656 views / 0 likes - added 9 years ago

Learning to talk about chemistry can be like learning a foreign language, but Hank is here to help with some straightforward and simple rules to help you learn to speak Chemistrian like a native. Table of Contents Determining Formulas and Names of Monatom
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Types Of Bureaucracies: Crash Course Government And Politics #16

610 views / 0 likes - added 9 years ago

This week Craig Benzine breaks down the different types of bureaucracies. I mean sure, they’re all part of the executive branch, but some work more directly with the president than others. Some bureaucracies exist solely to independently regulate industry
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Test Anxiety: Crash Course Study Skills #8

612 views / 0 likes - added 6 years ago

Exams can be terrifying. It’s easy to feel like the weight of the world rests in these moments – like this one test determines your grades and, in turn, your whole future – even if you know, rationally, that this isn’t really the case. What’s worse is tha
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Papers & Essays: Crash Course Study Skills #9

546 views / 0 likes - added 6 years ago

Writing research papers is an essential skill in your career as a student, and this week we’re going to help you do that like a pro. From figuring out where to begin, to finding the best systems, to breaking out of “research recursion system” (maybe just
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Screens & 2D Graphics: Crash Course Computer Science #23

588 views / 0 likes - added 6 years ago

Today we begin our discussion of computer graphics. So we ended last episode with the proliferation of command line (or text) interfaces, which sometimes used screens, but typically electronic typewriters or teletypes onto paper. But by the early 1960s a
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Why the Evolutionary Epic Matters: Crash Course Big History #203

448 views / 0 likes - added 6 years ago

Today we're talking about evolution–basically the history of all life on Earth. The thing is, why are we talking about this. Well, the story of life, all the way back to single celled microbes billions of years ago, is all part of our human story. An impo
What Are Rocks and How Do They Form? Crash Course Geography #18

228 views / 0 likes - added 2 years ago

From towering mountains to pebbles along a river, the Earth is made of a huge variety of rocks. In today's episode, we're going to follow the rock cycle of a piece of granite in the Himalayan mountains, and as you'll see, every rock has a far-reaching sto
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Breaking the Silence: Crash Course Film History #10

558 views / 1 likes - added 6 years ago

Nothing changed movies like the arrival of synchronous sound. NOTHING! Acting, directing, cinematography, and presentation all had to be rethought. Some studios were more quick to take on the challenge while others waited until the last moment. Some actor
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Digestive System, Part 1: Crash Course A&P #33

1,807 views / 5 likes - added 8 years ago

Nachos are delicious. And versatile because today they're also going to help us learn a thing or two about your digestive system. Nachos can provide us with energy and raw materials, by first ingesting something nutritious, propelling it through the alime
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The Reagan Revolution: Crash Course US History #43

1,181 views / 1 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th
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Robots: Crash Course Computer Science #37

603 views / 2 likes - added 6 years ago

Today we're going to talk about robots! Robots are often thought as a technology of the future, but they're already here by the millions in the workplace, our homes, and pretty soon on the roads. We'll discuss the origins of robotics to its proliferation,
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Wood, Water, And Properties: Crash Course Kids #15.1

826 views / 1 likes - added 8 years ago

Quick, think of three words to describe yourself. TIME'S UP! What did you think of? Chances are you thought of descriptive words that we call Properties. In this episode of Crash Course Kids, Sabrina talks about how properties help us understand objects.
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Living Things Change: Crash Course Kids #41.1

1,328 views / 3 likes - added 8 years ago

Have you ever heard of the Peppered Moth? It's a great example of how living things can change because their environment has changed. And it's not just them! There used to be giant insects roaming the world, but they got smaller through time because their
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Television Production: Crash Course Film Production #15

548 views / 0 likes - added 6 years ago

In our final episode of Crash Course Film Production, it's time to take a look at television production and how it differs from feature film production. It's subtle but it has a lot to do with how television shows make money for their many different types
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Alkenes&Alkynes - Crash Course Chemistry #41

1,092 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
10:36 Popular
Money And Finance: Crash Course Economics #11

846 views / 1 likes - added 8 years ago

So, we've been putting off a kind of basic question here. What is money? What is currency? How are the two different. Well, not to give away too much, but money has a few basic functions. It acts as a store of value, a medium of exchange, and as a unit of
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Public Opinion: Crash Course Government And Politics #33

1,203 views / 0 likes - added 8 years ago

So today, Craig is finally going to start talking about politics. Now up until this point we've specifically been looking at government - that is answering the questions of who, what, and how in relation to policies. But politics is different in that it l
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The Language of Film: Crash Course Film History #5

761 views / 0 likes - added 7 years ago

In this episode of Crash Course Film History, we talk about the development of the language of films by filmmakers like Edwin S. Porter and his films; Life of an American Fireman and The Great Train Robbery. Produced in collaboration with PBS Digital Stud
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The Future of Artificial Intelligence: Crash Course AI #20

545 views / 0 likes - added 4 years ago

Today, in our final episode of Crash Course AI, we're going to look towards the future. We've spent much of this series explaining how and why we don't have the Artificial General Intelligence (or AGI) that we see in the movies like Bladerunner, Her, or E
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Presidential Power: Crash Course Government and Politics #11

744 views / 0 likes - added 9 years ago

This week Craig looks at the expressed powers of the President of the United States - that is the ones you can find in the Constitution. From appointing judges and granting pardons, to vetoing laws and acting as the nation’s chief diplomat on foreign poli
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The Northern Renaissance: Crash Course European History #3

412 views / 0 likes - added 4 years ago

The European Renaissance may have started in Florence, but it pretty quickly moved out of Italy and spread the art, architecture, literature, and humanism across Europe to places like France, Spain, England, and the Low Countries.SOURCES:Hunt, Lynn et al.
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What Is God Like?: Crash Course Philosophy #12

760 views / 0 likes - added 8 years ago

Today we are moving on from the existence of God to look at the philosophical debate surrounding the traditional divine attributes - omnipotence, omniscience, omnitemporality, and omnibenevolence. We are exploring the puzzles that these attributes create
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Oobleck And Non-Newtonian Fluids: Crash Course Kids #46.1

1,054 views / 1 likes - added 8 years ago

Ever heard of Oobleck? How about Non-Newtonian fluids? Well, today Sabrina is going to show us that things can sometimes behave like a solid, and sometimes like a liquid depending on how much force is applied to them. In this episode of Crash Course Kids,
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Sympathetic Nervous System: Crash Course A&P #14

705 views / 0 likes - added 9 years ago

Hank tries not to stress you out too much as he delves into the functions and terminology of your sympathetic nervous system. -- Table of Contents Sympathetic Nervous System Controls the Body's Stress Response 0:26 How Signals Travel to Effectors 1:48 Ace
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Why Cosmic Evolution Matters: Crash Course Big History #201

492 views / 0 likes - added 7 years ago

Crash Course Big History is back! It turns out, we couldn't tell all of the 13.8 billion years of the history of the universe in 10 Crash Course Episodes. So, Big History host Emily Graslie has returned to add 6 more episodes that look at why the stuff we
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The Agricultural Revolution: Crash Course World History #1

847 views / 0 likes - added 9 years ago

Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
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Planning & Organization: Crash Course Study Skills #4

835 views / 1 likes - added 6 years ago

The best way to make sure you’re making the most of the time you have is to start off well organized. This week we’re talking about planning and organizational systems and how to set yourself up for success. Resources: Planning Mode vs. Robot Mode: https:
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The Great Aqua Adventure: Crash Course Kids #24.1

889 views / 3 likes - added 8 years ago

Water travels... a lot. In fact, the water cycle is amazing and takes water all over the planet by using evaporation, condensation, and precipitation. In this episode of Crash Course Kids, Sabrina shows us how the water cycle works and how you can create
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The Progressive Era: Crash Course US History #27

907 views / 1 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps keep the channel producing great conten
Ancient & Medieval Medicine: Crash Course History of Science #9

544 views / 0 likes - added 4 years ago

The history of medicine is about two of our big questions: one, what is life? What makes it so special, so fragile, so goopy!? Two, how do we know what we know? Why should I take my doctors advice? Why are deep-fried Oreos bad for me?It may be tempting to
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Entropy: Embrace the Chaos! Crash Course Chemistry #20

785 views / 0 likes - added 9 years ago

Life is chaos and the universe tends toward disorder. But why? If you think about it, there are only a few ways for things to be arranged in an organized manner, but there are nearly infinite other ways for those same things to be arranged. Simple rules o
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Party Systems: Crash Course Government And Politics #41

683 views / 0 likes - added 8 years ago

Today, Craig is going to dive into the history of American political parties. So throughout most of United States history our political system has been dominated by a two-party system, but the policies and the groups that support these parties have change
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Congressional Delegation: Crash Course Government And Politics #13

616 views / 0 likes - added 9 years ago

In which Craig Benzine teaches you about delegation, and informal powers. What are all these federal agencies about? Well, the president has a lot of stuff to do as the chief executive, and as much as Americans like to talk about personal responsibility,
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Neural Networks and Deep Learning: Crash Course AI #3

319 views / 1 likes - added 4 years ago

You can learn more about CuriosityStream at https://curiositystream.com/crashcourse. Today, we're going to combine the artificial neuron we created last week into an artificial neural network. Artificial neural networks are better than other methods for m
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Reversibility & Irreversibility: Crash Course Engineering #8

312 views / 0 likes - added 4 years ago

How do we design the most efficient machines and processes? Today well try to figure that out as we discuss heat & work, reversibility & irreversibility, and how to use efficiency to measure a system. Crash Course Engineering is produced in association wi
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The Mighty Power of Nanomaterials: Crash Course Engineering #23

379 views / 0 likes - added 4 years ago

Just how small are nanomaterials? And what can we do with stuff that small? Today well discuss some special properties of nanomaterials, how some can change at different sizes, and the difference between engineered nanomaterials and ones that occur natura
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How Presidents Govern: Crash Course Government And Politics #14

897 views / 0 likes - added 9 years ago

This week Craig Benzine talks about how the president gets things done. Filling the role of the executive branch is a pretty big job - much too big for just one person. It's so big that the president employees an entire federal bureaucracy! Today, we’re j
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07:00 Popular
How and Why We Read: Crash Course English Literature #1

1,129 views / 2 likes - added 9 years ago

In which John Green kicks off the Crash Course Literature mini series with a reasonable set of questions. Why do we read? What's the point of reading critically. John will argue that reading is about effectively communicating with other people. Unlike a d
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Napoleon Bonaparte: Crash Course European History #22

1,128 views / 5 likes - added 4 years ago

We try not to get into too much great man history here at Crash Course, but we have to admit: Napoleon Bonaparte is a pretty big deal. Join us as we track the rise, further rise, fall, rise, fall, mortal fall, and posthumous rise of Napoleon. This guy cha
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The Heart, Part 1 - Under Pressure: Crash Course A&P #25

1,324 views / 0 likes - added 8 years ago

Your heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank's gonna tell you how it really works. The heart’s ventricles, atria, and valves create a pump that maintains both high and low pressure to circulate blood from th
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Comedies, Romances, and Shakespeare's Heroines: Crash Course Theater #16

397 views / 1 likes - added 4 years ago

This week we're continuing our discussion of William Shakespeare and looking at his comedies and romances. As well as something called problem plays. Some of his plays, they had problems. We'll also put on pants, escape to forest, and talk about Shakepear
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Uniform Circular Motion: Crash Course Physics #7

1,349 views / 0 likes - added 8 years ago

Did you know that centrifugal force isn't really a thing? I mean, it's a thing, it's just not real. In fact, physicists call it a "Fictitious Force." Mind blown yet? To explore this idea further, this week Shini sits down with us to discuss centripetal fo
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Market Economy: Crash Course Government And Politics #46

884 views / 1 likes - added 8 years ago

Today, we’re going to take a look at how the government plays a role in the economy. Specifically, the way the government creates and maintains our market economic system. Now sure, the government’s role in the economy can be controversial, some may even
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The Lives of Nonvascular Plants: Alternation of Generations - Crash Course Biology #36

1,396 views / 0 likes - added 9 years ago

Hank introduces us to nonvascular plants - liverworts, hornworts&mosses - which have bizarre features, kooky habits, and strange sex lives. Nonvascular plants inherited their reproductive cycle from algae, but have perfected it to the point where it i
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Why We Can't Invent a Perfect Engine: Crash Course Engineering #10

679 views / 0 likes - added 4 years ago

Weve introduced the 0th and 1st laws of thermodynamics, so now its time to move on to the second law and how we came to understand it. Well explain the differences between the first and second law, and well talk about the Carnot cycle and why we can never
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Heat Transfer: Crash Course Engineering #14

376 views / 0 likes - added 4 years ago

Today were talking about heat transfer and the different mechanisms behind it. Well explore conduction, the thermal conductivity of materials, convection, boundary layers, and radiation. Crash Course Engineering is produced in association with PBS Digital
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The Golden Age of Hollywood: Crash Course Film History #11

792 views / 0 likes - added 6 years ago

It's time for the glitz and the glamour of big motion pictures that helped keep American spirits up during and after the Great Depression. Sound was a huge change to motion pictures, but there were still a few technological innovations to come, like color
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Plant Cells: Crash Course Biology #6

1,497 views / 1 likes - added 9 years ago

Hank describes why plants are so freaking amazing - discussing their evolution, and how their cells are both similar to&different from animal cells. Crash Course Biology now available on DVD! http://dftba.com/product/1av/CrashCourse-Biology-The-Complete-S
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Bureaucracy Basics: Crash Course Government And Politics #15

960 views / 0 likes - added 9 years ago

This week Craig Benzine discuses bureaucracies. Bureaucracies tend to be associated with unintelligible rules and time-wasting procedures, but they play an important, though controversial, role in governing. From the FDA to the EPA, these agencies were es
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Casual Gaming: Crash Course Games #11

655 views / 0 likes - added 7 years ago

Today, we’re moving on from game consoles to talk about a bigger shift that was happening in the gaming industry. In the mid 2000s, we saw a proliferation of Internet accessible devices and with them gaming would expand to a new audience. We’re going to t
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‎2,000 Years of Chinese History! The Mandate of Heaven and Confucius: World History #7

1,121 views / 3 likes - added 9 years ago

2,000 Years of Chinese History! The Mandate of Heaven and Confucius: Crash Course World History #7 In which John introduces you to quite a lot of Chinese history by discussing the complicated relationship between the Confucian scholars who wrote Chinese h
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Anselm And The Argument For God: Crash Course Philosophy #9

817 views / 0 likes - added 8 years ago

Today we are introducing a new area of philosophy – philosophy of religion. We are starting this unit off with Anselm’s argument for God’s existence, while also considering objections to that argument. -- “That’s a Neigh” David Goehring https://www.flickr
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Equilibrium Equations: Crash Course Chemistry #29

745 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
11:55 Popular
Partial Pressures&Vapor Pressure: Crash Course Chemistry #15

727 views / 0 likes - added 9 years ago

This week we continue to spend quality time with gases, more deeply investigating some principles regarding pressure - including John Dalton's Law of Partial Pressures, vapor pressure - and demonstrating the method for collecting gas over water. Table of
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Climate Science: Crash Course History of Science #45

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Scientists tend to be careful and resistant to big claims. So evidence for the possible end of the living world took a while to be seen as such. In this episode of Crash Course History of Science, Hank talks to us about where Climate Science started and h
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Aromatics and Cyclic Compounds - Crash Course Chemistry #42

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You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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Current Events: Crash Course Kids #34.1

1,263 views / 2 likes - added 8 years ago

What are air currents? Air currents are like rivers of wind caused by areas of high and low pressure.The air above the land is warmer and less dense, so it rises. The air over the water is cooler and heavier. The cool air rushes in toward the low-pressure
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Aquinas And The Cosmological Arguments: Crash Course Philosophy #10

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Our unit on the philosophy of religion and the existence of god continues with Thomas Aquinas. Today, we consider his first four arguments: the cosmological arguments. -- Images and video via VideoBlocks or Wikimedia Commons, licensed under Creative Commo
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The Physics of Music: Crash Course Physics #19

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Get Your Crash Course Physics Mug here: https://store.dftba.com/products/crashcourse-physics-mug Music plays a big part in many of our lives. Whether you just like to listen or you enjoy playing an instrument, music is powerful. So what is music? How does
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Designing the World of Film: Crash Course Film Production #9

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Literally, ‘mise-en-scene’ means “placing on stage.” But in film, mise-en-scene encompasses everything the camera is capturing. The artists and crafts-people who work in Production Design, Wardrobe, and Hair and Makeup are responsible for setting the stag
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Anti-Vaxxers, Conspiracy Theories & Epistemic Responsibility: Crash Course Philosophy #14

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Today we explore what obligations we hold with our personal beliefs. Hank explains epistemic responsibility and the issues it raises with everything from religious belief, to ship owning, to vaccinations. -- Images via Wikimedia Commons, licensed under Cr
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Shaping Public Opinion: Crash Course Government And Politics #34

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So today Craig is going to talk about where our political opinions come from. Of course, most people’s politics are grounded in their ideologies, but there are also other external influences such as the government itself, interest groups, and the media. S
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Coal, Steam, and The Industrial Revolution: Crash Course World History #32

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Mongols Shirts and Crash Course Posters! http://www.dftba.com/crashcourse In which John Green wraps up revolutions month with what is arguably the most revolutionary of modern revolutions, the Industrial Revolution. While very few leaders were beheaded in
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Georges Melies - Master of Illusion: Crash Course Film History #4

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After the Lumiere brothers and Thomas Edison got the ball rolling with Vaudeville acts and Actualites, the time was coming for movie magic and fiction to make an appearance. The time was coming of filmmakers like Georges Melies and Alice Guy-Blache. Produ
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Your Immune System: Natural Born Killer - Crash Course Biology #32

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Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCour
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Lets make a movie recommendation system: Crash Course AI #16

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Follow along: https://colab.research.google.com/drive/1-v9cw18wTDjaCUlECKHsQnHeisLKyG8U We need to save Jabril and John Green Bots movie nights. Jabril generally likes action movies and John Green Bot likes romantic movies, but they need to find something
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The Mughal Empire and Historical Reputation: Crash Course World History #217

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There's a new Crash Course poster with all your favorite World History characters! Czech it: http://store.dftba.com/products/crashcourse-characters-poster In which John Green teaches you about the Mughal Empire, which ruled large swaths of the Indian Sub-
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Data Structures: Crash Course Computer Science #14

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Today we’re going to talk about on how we organize the data we use on our devices. You might remember last episode we walked through some sorting algorithms, but skipped over how the information actually got there in the first place! And it is this abilit
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Sega And More Mature Video Games: Crash Course Games #8

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So we ended the last episode nearing the close of the 1980s and Nintendo had become the dominant player in the home console market, but Sega, originally a slot machine game company during World War 2, was looking to get its own console into players’ homes
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Why Moving People is Complicated: Crash Course Engineering #41

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Transportation is a big part of our world and engineers play a big role in making it happen. Today well explore how transportation systems are designed and some things transportation engineers have to take into consideration, like signaling, user behavior
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Reader, it's Jane Eyre - Crash Course Literature 207

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You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th
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Animal Development: We're Just Tubes - Crash Course Biology #16

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Hank discusses the process by which organisms grow and develop, maintaining that, in the end, we're all just tubes. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like CrashCourse on Facebook: http://www.facebook.com/youtubecrashcourse
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The Creation of Chemistry - The Fundamental Laws: Crash Course Chemistry #3

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Today's Crash Course Chemistry takes a historical perspective on the creation of the science, which didn't really exist until a super-smart, super-wealthy Frenchman put the puzzle pieces together - Hank tells the story of how we went from alchemists to ch
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Big Changes In The Big Apple: Crash Course Kids #38.1

782 views / 1 likes - added 8 years ago

Did you know that all living things change their environments? It's true. Beavers, deer, worms, and humans all change their environments. It just so happens that humans change our environments in big, obvious ways. In this episode, Sabrina chats about how
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Seeing Stars: Crash Course Kids

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***Corrected with Images of Stars/planets*** So you know what a star is, right? Well, if you don't, you should. We've talked about that big one in the sky a few times: The Sun! But there are a lot of bright dots in the night sky and not all of them are st
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Economics Of Education: Crash Course Economics #23

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How does education work? Where does the money come from? Who pays for it? Is going to college a good investment? Adriene and Jacob are talking today about the economics of education. Most countries require that their citizens get some education, and most
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Natural Law Theory: Crash Course Philosophy #34

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Our exploration of ethical theories continues with another theistic answer to the grounding problem: natural law theory. Thomas Aquinas’s version of this theory says that we all seek out what’s known as the basic goods and argued that instinct and reason
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American Imperialism: Crash Course US History #28

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In which John Green teaches you about Imperialism. In the late 19th century, the great powers of Europe were running around the world obtaining colonial possessions, especially in Africa and Asia. The United States, which as a young country was especially

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