Search Results: "Andrei%20Karlov"

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03:00
How bridges were built in Central Europe in the middle-ages

339 views / 0 likes - added 3 years ago

Great animation showing how bridges were built in the middle ages.3D grafika a postprodukce: Tomáš Musílek Odborná spolupráce: Ing. Arch. Ondej Šefc Grafická spolupráce: Mgr. Zdenk Maza Více i
00:29
Watch the first ever video of a chemical bond breaking and forming

412 views / 0 likes - added 4 years ago

Pay attention to the 2 black atoms of a metal molecule being shot with a beam of electrons, breaking their bond and in the process revealing a transitional state where the atoms are neither fused or completely separated. This is the first time it has been
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Why Cosmic Evolution Matters: Crash Course Big History #201

480 views / 0 likes - added 6 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
11:58
Ford, Cars, and a New Revolution: Crash Course History of Science #28

441 views / 0 likes - added 4 years ago

Historians love to debate each other. So some of them pointed out that the first half of this revolution looks a lot different from the second. Let's chat about industry, cars, and Henry Ford.***Crash Course is on Patreon! You can support us directly by s
12:51
Biology Before Darwin: Crash Course History of Science #19

383 views / 0 likes - added 4 years ago

Youve probably heard of Charles Darwin, but before we get to him, you really need to understand how different people, throughout the seventeenth and eighteenth centuries, tried to answer the same question: what is life? ***Crash Course is on Patreon! You
13:15
The New Chemistry: Crash Course History of Science #18

324 views / 0 likes - added 4 years ago

One of the problems with the whole idea of a single Scientific Revolution is that some disciplines decided not to join any revolution. And others just took a long time to get there. ***Crash Course is on Patreon! You can support us directly by signing up
12:33
Electricity: Crash Course History of Science #27

450 views / 0 likes - added 4 years ago

The study of electricity goes all the way back to antiquity. But, by the time electricity started to become more well known, a few familiar names started to appear. Edison, Galvani, and a few others really changed the way the world worked. ***Crash Course
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Biotechnology: Crash Course History of Science #40

386 views / 0 likes - added 4 years ago

The history of discovering what DNA is, what it looks like, and how it works is... complicated. But, in this episode of History of Science, Hank Green does his best to lay out the basics so we can understand the beginnings of Biotechnology.***Crash Course
13:25
The Century of the Gene: Crash Course History of Science #42

326 views / 0 likes - added 4 years ago

With the question What is life? addressed at the molecular level, humanity could finally cure all disease and live forever Except, not really. It turns out we're complicated.***Crash Course is on Patreon! You can support us directly by signing up at http:
12:02 Popular
Genetics - Lost and Found: Crash Course History of Science #25

785 views / 0 likes - added 4 years ago

Sometimes trail blazers of science aren't famous like Darwin or Pasteur. Sometimes they're humble Abbots, just growing peas in the back of their Abbey. This is the story of Gregor Mendel and how his work was done, lost, then found again. ***Crash Course i
09:39 Popular
Major Sociological Paradigms: Crash Course Sociology #2

781 views / 0 likes - added 7 years ago

This week we introduce sociology’s three major theoretical paradigms, and some of the advantages and disadvantages of each paradigm. Crash Course is made with Adobe Creative Cloud. Get a free trial here: https://www.adobe.com/creativecloud.html *** Crash
12:29
Thermodynamics: Crash Course History of Science #26

486 views / 0 likes - added 4 years ago

It's time to heat things up! LITERALLY! It's time for Hank to talk about the history of Thermodynamics!!! It's messy and there are a lot of people who came up with some ideas that worked and other that didn't and then some ideas that should have come firs
13:44
Earth Science: Crash Course History of Science #20

467 views / 0 likes - added 4 years ago

It's Earth Science time!!!! In this field, natural philosophers were asking questions like, whats up with fossils? Are they the remains of extinct organisms? Or are they so-called sports of naturerocks that just happen to look like living things but dont
12:16
The New Anatomy: Crash Course History of Science #15

345 views / 0 likes - added 4 years ago

Theres a question to consider thats pretty daunting: what is life? And to try to answer that question, three tools stand out as being especially useful: A book, some experiments, and the microscope! In this episode, Hank talks to us about all kinds of gro
12:22
Sula: Crash Course Literature #9

590 views / 0 likes - added 7 years ago

This week, John is talking about Toni Morrison's novel of friendship, betrayal, and loss, Sula. Sula tells the story of two African American girls, the town where they grew up, the tragic even that was central to their youth, and the very different people
12:29
The Industrial Revolution: Crash Course History of Science #21

398 views / 0 likes - added 4 years ago

You probably know some of the signs of industrialization in the nineteenth century: Trains connected cities, symbolizing progress. But they also brought about the destruction of rural lands, divisions between social classes, and rapid urbanization. But th
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Migration: Crash Course European History #29

388 views / 0 likes - added 4 years ago

Between 1840 and 1914, an estimated 40 million people left Europe. This is one of the most significant migrations in human history. So, who was leaving Europe? And why? Crash Course is on Patreon! You can support us directly by signing up at http://www.pa
13:50
Newton and Leibniz: Crash Course History of Science #17

372 views / 1 likes - added 4 years ago

The standard story of the Scientific Revolution culminates with the long life of one man: Sir Isaac Newtona humble servant of the Royal Mint, two-time parliamentarian, and a scientific titan whose name, along with Einsteins, is synonymous with physics tod
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Nuclear Physics: Crash Course Physics #45

637 views / 0 likes - added 7 years ago

Take the PBS Digital Studios annual survey: http://surveymonkey.com/r/pbsds2017 It's time for our second to final Physics episode. So, let's talk Einstein and Nuclear Physics. What does E=MC2 actually mean? Why is it so useful to us as physicists and huma
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Climate Science: Crash Course History of Science #45

308 views / 0 likes - added 4 years ago

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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Why Human Ancestry Matters: Crash Course Big History 205

493 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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Life and Longevity: Crash Course History of Science #44

305 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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Degrees of Freedom and Effect Sizes: Crash Course Statistics #28

379 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
12:57
Bodies and Dollars: Crash Course History of Science #41

347 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
13:10 Popular
Darwin and Natural Selection: Crash Course History of Science #22

761 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
09:31
The Lumiere Brothers: Crash Course Film History #3

657 views / 1 likes - added 6 years ago

As cinema started to take off, things like "single viewer" devices weren't going to cut it as the medium advanced. In this episode of Crash Course Film History, Craig talks to us about the Lumiere brothers, their invention of the Cinematographe, and the i
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Ecology: Crash Course History of Science #38

337 views / 0 likes - added 4 years ago

Weve explored the origins of modern biology, the earth sciences, and even the sciences of outer space. Now its time to put these disciplines together. It's Ecology time!!!***Crash Course is on Patreon! You can support us directly by signing up at http://w
12:05
The Atomic Bomb: Crash Course History of Science #33

539 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
12:28
The Internet and Computing: Crash Course History of Science #43

304 views / 0 likes - added 4 years ago

Weve talked a lot about advances in biotech. But none of those could have happened without advances in computing. Its time to get back to data and explore the unlikely birth, strange life, and potential futures of the Internet. In this episode of Crash Co
09:56
Sociology & the Scientific Method: Crash Course Sociology #3

603 views / 0 likes - added 7 years ago

What puts the “science” in social science? Today we’ll explore positivist sociology and how sociologists use empirical evidence to explore questions about the social world. We’ll also introduce two alternatives: interpretative sociology and critical socio
12:07
Einstein's Revolution: Crash Course History of Science #32

327 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
11:04
Why Star Stuff Matters: Crash Course Big History 202

565 views / 0 likes - added 6 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
12:17
Why Early Globalization Matters: Crash Course Big History #206

611 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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The Mind/Brain: Crash Course History of Science #30

282 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
11:48
Marie Curie and Spooky Rays: Crash Course History of Science #31

620 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
11:04
Chi-Square Tests: Crash Course Statistics #29

355 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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The Computer and Turing: Crash Course History of Science #36

473 views / 0 likes - added 4 years ago

Computers and computing have changed a lot over the History of Science but ESPECIALLY over the last 100 years. In this episode of Crash Course History of Science, we have a look at that history around World War Two and how that conflict forced changes in
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Absolute Monarchy: Crash Course European History #13

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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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The Scientific Methods: Crash Course History of Science #14

726 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
12:34
Genetics and The Modern Synthesis: Crash Course History of Science #35

301 views / 0 likes - added 4 years ago

Remember how Darwin and Mendel lived around the same time, but everyone forgot about Mendel until 1900, and even then biologists saw Darwinism and Mendelism as two competing grand theories about how life works?Well, in this episode of Crash Course History
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You Know I'm All About that Bayes: Crash Course Statistics #24

349 views / 0 likes - added 4 years ago

Today were going to talk about Bayes Theorem and Bayesian hypothesis testing. Bayesian methods like these are different from how we've been approaching statistics so far, because they allow us to update our beliefs as we gather new information - which is
10:24
Why is there Social Stratification?: Crash Course Sociology #22

634 views / 1 likes - added 6 years ago

As we get into our unit on stratification, we inevitably return to our old friends, the three sociological paradigms. How to structural functionalism, social conflict theory, and symbolic interactionism each think about stratification? How does ideology a
12:22
Creation from the Void: Crash Course Mythology #2

649 views / 0 likes - added 7 years ago

Today on Crash Course Mythology we’re starting in on creation stories. This week, we’ll focus on the creation of the universe out of nothing, or Ex Nihlio creation. Basically, a god decides to make a universe out of nothing. We’ll look a
12:51
Big Data Problems: Crash Course Statistics #39

409 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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Bayes in Science and Everyday Life: Crash Course Statistics #25

357 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
09:52
Social Groups: Crash Course Sociology #16

678 views / 1 likes - added 6 years ago

How do the groups that you're part of affect you? How do you, in turn, affect those groups? Today we are talking about how people in society come together with a look at social groups. We’ll look at what social groups are, the different kinds of groups th
10:56
Unsupervised Machine Learning: Crash Course Statistics #37

319 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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Sociology Research Methods: Crash Course Sociology #4

699 views / 0 likes - added 7 years ago

Today we’re talking about how we actually DO sociology. Nicole explains the research method: form a question and a hypothesis, collect data, and analyze that data to contribute to our theories about society. Crash Course is made with Adobe Creative Cloud.
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What Is Sociology?: Crash Course Sociology #1

606 views / 0 likes - added 7 years ago

Today we kick off Crash Course Sociology by explaining what exactly sociology is. We’ll introduce the sociological perspective and discuss how sociology differentiates itself from the other social sciences. We’ll also explore what sociology can do, and ho
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Supervised Machine Learning: Crash Course Statistics #36

372 views / 0 likes - added 4 years ago

We've talked a lot about modeling data and making inferences about it, but today we're going to look towards the future at how machine learning is being used to build models to predict future outcomes. We'll discuss three popular types of supervised machi
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Why the Evolutionary Epic Matters: Crash Course Big History #203

440 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
09:11
How To Become An Engineer: Crash Course Engineering #45

348 views / 0 likes - added 4 years ago

Hopefully this course has gotten you excited about all the things we can do with engineering. If so, today were going to try to help you answer a very important question: how do you become an engineer? What are the steps? What kinds of careers can you pur
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Intro to Big Data: Crash Course Statistics #38

392 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
11:27 Popular
The Normal Distribution: Crash Course Statistics #19

1,146 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
11:22
Comedies, Romances, and Shakespeare's Heroines: Crash Course Theater #16

383 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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English Theater After Shakespeare: Crash Course Theater #17

349 views / 0 likes - added 4 years ago

You can learn more about CuriosityStream at https://curiositystream.com/crashcourseThis week on Crash Course Theater, Shakespeare is dead. Long live Shakespeare. Well, long live English theater, anyway. Actually, it's about to get banned. Anyway, we're di
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How YouTube knows what you should watch: Crash Course AI #15

439 views / 0 likes - added 4 years ago

Subscribe to Sound Field! https://www.youtube.com/channel/UCvMLMyKPomE6kTTL9Kv8Iww Today were going to talk about recommender systems which form the backbone of so much of the content we see online from video recommendations on YouTube and Netflix to ads
08:51 Popular
Taking Notes: Crash Course Study Skills #1

813 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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Procrastination: Crash Course Study Skills #6

678 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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What Is Artificial Intelligence? Crash Course AI #1

276 views / 0 likes - added 4 years ago

Artificial intelligence is everywhere and it's already making a huge impact on our lives. It's autocompleting texts on our cellphones, telling us which videos to watch on YouTube, beating us at video games, recognizing us in photos, ordering products in s
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Unsupervised Learning: Crash Course AI #6

311 views / 0 likes - added 4 years ago

For more information go tohttps://wix.com/go/CRASHCOURSEToday, were moving on from artificial intelligence that needs training labels, called Supervised Learning, to Unsupervised Learning which is learning by finding patterns in the world. Well focus on t
Alchemy: History of Science #10

296 views / 1 likes - added 4 years ago

In fantasy stories, charlatans in fancy robes promise to turn lead into gold. But real alchemists werent just mystical misers. They were skilled experimentalists, backed by theories of matter. And they played a huge role in the development of knowledge ab
Ancient & Medieval Medicine: Crash Course History of Science #9

530 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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Cats Vs Dogs? Let's make an AI to settle this: Crash Course Ai #19

329 views / 0 likes - added 4 years ago

Follow along: https://colab.research.google.com/drive/1N5IdMTmiNbwEOD8dqammN8GAfpk41arwToday, in our final lab, Jabril tries to make an AI to settle the question once and for all, "Will a cat or a dog make us happier?" But in building this AI, Jabril will
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Skyscrapers, Statics, & Dynamics: Crash Course Engineering #26

269 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
12:35
The New Astronomy: Crash Course History of Science #13

324 views / 0 likes - added 4 years ago

This week on Crash Course: History of the Scientific Revolutionastronomical anomalies accrued. Meanwhile, in Denmarkan eccentric rich dude constructed not one but two science castles! And his humble German assistant synthesized a lot of new, old, and bold
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Neural Networks and Deep Learning: Crash Course AI #3

301 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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Robotics: Crash Course AI #11

336 views / 0 likes - added 4 years ago

Robots arent like humans who can do a lot of different things. Theyre designed for very specific tasks like vacuuming our homes, assembling cars in a factory, or exploring the surface of other planets. So even though it may be a while before we have a gen
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The Northern Renaissance: Crash Course European History #3

400 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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Why Human Evolution Matters: Crash Course Big History 204

698 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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Post-World War I Recovery: Crash Course European History #36

449 views / 0 likes - added 4 years ago

In which John Green looks at Europe's attempts to recover from the devastation of World War I and forge a lasting peace. The peace did not last. Today we're talking about the economic cultural recovery of the 1920s, and the economic depression of the 1930
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Planning & Organization: Crash Course Study Skills #4

821 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 Impacts of Social Class: Crash Course Sociology #25

559 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
What Are Rocks and How Do They Form? Crash Course Geography #18

206 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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Training Neural Networks: Crash Course AI #4

303 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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The Enlightenment: Crash Course European History #18

823 views / 2 likes - added 4 years ago

So far in this series, we've covered a lot of war, disease, climate disaster, and some more war. Well, prepare yourself for something a little more positive. This week, we're talking about the Enlightenment. In this video, you'll learn about the ideas of
What is an Animal? Crash Course Zoology #1

198 views / 1 likes - added 2 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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Web Search: Crash Course AI #17

318 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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Humans and AI working together: Crash Course AI #14

322 views / 0 likes - added 4 years ago

Theres been a lot of discussion about how automation is going to take peoples jobs and we dont want to downplay that real impact, but today were going to focus on the benefits of humans and AI working together. Human-AI teams allow us to fill in each othe
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Studying for Exams: Crash Course Study Skills #7

484 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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Modern Thought and Culture in 1900: Crash Course European History #31

349 views / 0 likes - added 4 years ago

Europe was in transition politically and culturally at the beginning of the 20th century. Today, we're looking at the dawn of modern science, and the rise of Modernism in the arts, especially in music, dance, and visual arts. We'll look at changes in musi
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Symbolic AI: Crash Course AI #10

325 views / 0 likes - added 4 years ago

Today we're going to talk about Symbolic AI - also known as "good old-fashioned AI". Symbolic AI is really different from the modern neural networks we've discussed so far, instead, it represents problems using symbols and then uses logic to search for so
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Let's make an AI that destroys video games: Crash Course AI #13

288 views / 0 likes - added 4 years ago

Follow along: https://colab.research.google.com/drive/1uYXTDeBbPeuJfM1teufZ9nUaiRIN9nHW Today we create a game and then build an AI to destroy it. Our game is called TrashBlaster, and its like Asteroids but with trash in the ocean, and instead of a spaces
14:22
Italian and German Unification: Crash Course European History #27

568 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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Algorithmic Bias and Fairness: Crash Course AI #18

276 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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1984 by George Orwell, Part 1: Crash Course Literature 401

604 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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The Roads to World War I: Crash Course European History #32

370 views / 0 likes - added 4 years ago

Much has been written about what exactly caused World War I. As befits a true global war, the reality is that there isn't a single cause. There aren't even three causes. There are a vast array of causes. Today we'll get into just a few of those causes, in
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Scientific Revolution: Crash Course European History #12

1,050 views / 0 likes - added 4 years ago

There was a lot of bad stuff going on in Europe in the 17th century. We've seen wars, plagues, and unrest of all types. But, there is some good news. Huge advances were underway in the scientific community in Europe at this time. In this video we'll look
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Natural Language Processing: Crash Course AI #7

468 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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Shrinking an Elephant to the Size of a Mouse

856 views / 1 likes - added 6 years ago

Thanks a lot to Skillshare for supporting this channel. Kurzgesagt Newsletter: http://eepurl.com/cRUQxz Support us on Patreon so we can make more videos (and get cool stuff in return): https://www.patreon.com/Kurzgesagt?ty=h Kurzgesagt merch: http://bit.l
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Mass-Producing Ice Cream with Food Engineering: Crash Course Engineering #39

321 views / 0 likes - added 4 years ago

In this episode, we looked at food engineering. We explored how foods capacity to spoil makes it a unique challenge from an engineering viewpoint. We saw how many branches of engineering come into play to process ingredients, ensure safety for consumers,
10:21
The Forgotten Number System - Numberphile

262 views / 0 likes - added 3 years ago

Featuring author Alex Bellos - check his books (including the Language Lover's Puzzle Book) on Amazon: https://amzn.to/3oU0wjTMore links & stuff in full description below More Alex on Numberphile: http://bit.ly/Bellos_PlaylistAlex's own website with links
06:44
Are You Alone? (In The Universe)

612 views / 1 likes - added 8 years ago

Are you alone? To answer this question we have to take a look what "you" are first. What are you made of and where you stand in this universe. Are you your body? Your atoms? And how are your parts connected to the big picture? You can get the MUSIC of the
11:42 Popular
Mythical Mountains: Crash Course World Mythology #33

925 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
14:34
Florence and the Renaissance: Crash Course European History #2

559 views / 0 likes - added 4 years ago

The Renaissance was a cultural revitalization that spread across Europe, and had repercussions across the globe, but one smallish city-state in Italy was in many ways the epicenter of the thing. Florence, or as Italians might say, Firenze, was the home to
11:28
Reinforcement Learning: Crash Course AI#9

338 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
13:02 Popular
What Is Myth? Crash Course Mythology #1

962 views / 4 likes - added 7 years ago

Welcome to Crash Course World Mythology, our latest adventure (and this series may be literally adventurous) in education. Over the next 40 episodes or so, we and Mike Rugnetta are going to learn about the world by looking at the foundational stories of a
15:23
Supervised Learning: Crash Course AI #2

307 views / 0 likes - added 4 years ago

Today were going to teach John Green Bot how to tell the difference between donuts and bagels using supervised learning! Supervised learning is the process of learning WITH training labels, and is the most widely used kind of learning with it comes to AI
08:50
Test Anxiety: Crash Course Study Skills #8

597 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
09:00
Papers & Essays: Crash Course Study Skills #9

532 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
11:35 Popular
Computer Engineering & the End of Moore's Law: Crash Course Engineering #35

1,178 views / 0 likes - added 4 years ago

This week were exploring a field of engineering that is essential to how youre watching this video: computers and computer engineering. Well explain differences between hardware and software, how engineers are working on making computers smaller and more
13:38
Reformation and Consequences: Crash Course European History #7

471 views / 0 likes - added 4 years ago

The Protestant Reformation didn't exactly begin with Martin Luther, and it didn't end with him either. Reformers and monarchs changed the ways that religious and state power were organized throughout the 16th and early 17th centuries. Jean Calvin in Franc
14:16
Using Wikipedia: Crash Course Navigating Digital Information #5

285 views / 0 likes - added 4 years ago

Let's talk about Wikipedia. Wikipedia is often maligned by teachers and twitter trolls alike as an unreliable source. And yes, it does sometimes have major errors and omissions, but Wikipedia is also the Internet's largest general reference work and as su
15:40
The Age of Exploration: Crash Course European History #4

517 views / 0 likes - added 4 years ago

The thing about European History is that it tends to leak out of Europe. Europeans haven't been great at staying put in Europe. As human beings do, the people of Europe were very busy traveling around to trade, to spread religion, and in a lot of cases to
09:30 Popular
YouTube Couldn't Exist Without Communications & Signal Processing: Crash Course Engineering #42

1,042 views / 0 likes - added 4 years ago

Engineering helped make this video possible. This week well look at how its possible for you to watch this video with the fundamentals of signal processing. Well explore things from Morse Code, to problems like bandwidth capacity and noise, to how we arri
Whats the Most Animal Animal? Crash Course Zoology #2

244 views / 2 likes - added 2 years ago

Thank you to The Great Courses Plus for supporting PBS. For more information and a trial, go tohttp://ow.ly/zREQ30rDCDz. Picture an animal in your mind right now. What does it look like? A dog? A lion? Maybe a sloth, pangolin,naked mole-rat, or even just
11:31
AI Playing Games: Crash Course AI #12

400 views / 1 likes - added 4 years ago

As we mentioned last episode, one of the best test spaces for building new AI systems are games. This is because games provide a great framework for an AI to learn an objective and slowly improve. In recent years, AI has made huge strides in games from be
10:39
Silicon, Semiconductors, & Solar Cells: Crash Course Engineering #22

290 views / 0 likes - added 4 years ago

Today were looking at silicon, and how introducing small amounts of other elements allow silicon layers to conduct currents, turning them into semiconductors. Well explore how putting two different types N and P semiconductors together gives us electrical
15:29
The French Revolution: Crash Course European History #21

515 views / 0 likes - added 4 years ago

In 1789, the French Monarchy's habit of supporting democratic popular revolutions in North America backfired. Today, we're talking about the French Revolution. Across the world, people were rising up to throw off monarchies, and Louis didn't see the writi
10:26
Exercise: Crash Course Study Skills #10

669 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
13:14
Expansion and Resistance: Crash Course European History #28

517 views / 0 likes - added 4 years ago

In 19th century Europe, with nation building well under way, thoughts turned outward, toward empire. This week, we're looking at how Europeans expanded into Africa, Asia, and Oceania during the 1800s. You'll learn about China and the Opium War, British In
16:00
Make an AI sound like a YouTuber (LAB): Crash Course AI #8

303 views / 0 likes - added 4 years ago

Please take the PBS Digital Studios survey here! https://www.pbsresearch.org/c/r/CC_YTvideoFollow Along: https://colab.research.google.com/drive/1f8ik5kSPEvDCcM7R_-Wb3AjifizVEsHD Lets try to help John Green Bot sound a bit more like the real John Green us
15:34
Commerce, Agriculture, and Slavery: Crash Course European History #8

399 views / 0 likes - added 4 years ago

We've been talking a lot about kings, and queens, and wars, and religious upheaval for most of this series, but let's take a moment to zoom out, and look at the ways that individuals' lives were changing in the time span we've covered so far. Some people'
15:54 Popular
Napoleon Bonaparte: Crash Course European History #22

1,111 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
16:34
Economic Depression and Dictators: Crash Course European History #37

530 views / 0 likes - added 4 years ago

We're still leading up to World War II, but first we gotta talk about the rise of the dictators. Today we talk about the rise of militaristic dictatorships in Germany, the Soviet Union, Japan, and Spain, and the economic depression that set the stage for
14:16
Russian Revolution and Civil War: Crash Course European History #35

688 views / 0 likes - added 4 years ago

World War I was very hard on the Russian Empire. So hard, in fact, that it led to the end of the Russian Empire. As the global conflict ground on, Tsar Nicholas II faced increasing unrest at home. Today we'll learn about the Revolutions of 1917, the rise
09:54
Reading Assignments: Crash Course Study Skills #2

512 views / 0 likes - added 6 years ago

Leaving the bookstore at the beginning of the semester you’re probably wondering how the heck you’re going to get through all of that reading. Today we’re explaining how much of that reading you really need to do and the best strategies for making your wa
14:41
Lets make a movie recommendation system: Crash Course AI #16

311 views / 0 likes - added 4 years ago

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
14:36
English Civil War: Crash Course European History #14

437 views / 0 likes - added 4 years ago

The English Civil War. We'll talk about England after Elizabeth, in which things didn't go that smoothly. We'll talk about James I, Charles I, Oliver Cromwell, Charles II, and James II, all of whom ruled England, (and tried to rule all of Britain and Irel
12:16 Popular
Neural Networks: Crash Course Statistics #41

934 views / 0 likes - added 4 years ago

Today we're going to talk big picture about what Neural Networks are and how they work. Neural Networks, which are computer models that act like neurons in the human brain, are really popular right now - they're being used in everything from self-driving
11:05
Reversibility & Irreversibility: Crash Course Engineering #8

294 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
14:01
The Congress of Vienna: Crash Course European History #23

454 views / 0 likes - added 4 years ago

The end of the Napoleonic Wars left the great powers of Europe shaken. Judging from the destruction that had been wrought across the continent, it seemed to the powers that be that the Enlightenment had liberated the people, and led to disaster. So, every
10:16
Why Moving People is Complicated: Crash Course Engineering #41

292 views / 0 likes - added 4 years ago

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
11:47
Changing the Blueprints of Life - Genetic Engineering: Crash Course Engineering #38

332 views / 0 likes - added 4 years ago

Can we change the blueprints of life? This week we are exploring that question with genetic engineering. Well discuss how selective breeding can improve agricultural practices, and the potential DNA-level engineering could have on other fields of engineer
14:33
Modern Life: Crash Course European History #30

341 views / 0 likes - added 4 years ago

So, "modern" is kind of a loaded term, but today we're going to talk about modern life in Europe, as it looked around the time the 19th century turned into the 20th. We'll look at what life was like in the rapidly growing urban centers of Europe, how deve
10:27
Why It's So Hard To Make Better Batteries: Crash Course Engineering #32

335 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
07:14 Popular
Death From Space — Gamma-Ray Bursts Explained

749 views / 0 likes - added 7 years ago

Use the URL: http://www.squarespace.com/nutshell for 10% with a new website and support this channel. Also make your life easier. Thanks a lot to Squarespace for supporting the show! There are cosmic snipers firing at random into the unvierse. What are th
08:36
Heat Transfer: Crash Course Engineering #14

367 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
17:06
The Industrial Revolution: Crash Course European History #24

572 views / 0 likes - added 4 years ago

We've talked about a lot of revolutions in 19th Century Europe, and today we're moving on to a less warlike revolution, the Industrial Revolution. You'll learn about the development of steam power and mechanization, and the labor and social movements that
13:44
Dutch Golden Age: Crash Course European History #15

461 views / 0 likes - added 4 years ago

While the English were falling apart a little, with their civil war and their restoration and their succession problems, the Dutch were getting their act together. They were throwing off the yoke of the Spanish Empire, uniting their provinces, and buildin
09:42
Building a Desalination Plant from Scratch: Crash Course Engineering #44

311 views / 0 likes - added 4 years ago

An essential part of engineering is engineering design. Today well see how design synthesis helps you put together the components of a process and decide what techniques are needed to solve your problem. Well explain the need test things on a smaller scal
11:02
Cheese, Catastrophes, & Process Control: Crash Course Engineering #25

349 views / 0 likes - added 4 years ago

Engineering, like life, could really use a lot more cheese. This week we are looking at a cheese factory in Toronto and what it can teach us about process control systems. Well explore feedforward and feedback systems, and see how integrating them both wi
11:00
The Future of Artificial Intelligence: Crash Course AI #20

523 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
10:13 Popular
Focus & Concentration: Crash Course Study Skills #5

827 views / 0 likes - added 6 years ago

Sign up for your FREE trial of The Great Courses Plus here: http://ow.ly/PhPe30egcrb Have you ever noticed how easy it is to get distracted while studying – even when you know you really don’t have time for Facebook, Snapchat, Cookie Clicker, or whatever
14:06
Reform and Revolution 1815-1848: Crash Course European History #25

481 views / 0 likes - added 4 years ago

In the aftermath of the revolutions and upheaval in 18th and early 19th century Europe, there was a hunger for reform across the continent. Reformers like Robert Owen, Charles Fourier, and Auguste Comte proposed radical new ideas, and at the same time, re
15:44
The Protestant Reformation: Crash Course European History #6

370 views / 0 likes - added 4 years ago

You may have noticed that the internet is terrible at religious discourse. Well, this is not a new phenomenon. In the early 16th century, the Roman Catholic church dominated Christianity in Europe, and the institution was starting to show some cracks. Ten
13:00
What Is Statistics: Crash Course Statistics #1

543 views / 0 likes - added 6 years ago

Welcome to Crash Course Statistics! In this series we're going to take a look at the important role statistics play in our everyday lives, because statistics are everywhere! Statistics help us better understand the world and make decisions from what you'l
09:24
Social Class & Poverty in the US: Crash Course Sociology #24

589 views / 1 likes - added 6 years ago

Today we’re breaking down the five different social class in the United States: the upper class, the upper middle class, the average middle class, the working class, and the lower class. We’ll also go over what poverty looks like in the United States. Cra
15:33
Witchcraft: Crash Course European History #10

416 views / 2 likes - added 4 years ago

During our last several episodes, Europe and the European-controlled world have been in crisis. Wars, disease, climate changes, and shifts in religious and political power threw the European world into turmoil. People were looking for a scapegoat, and for
08:13
What Number Comes Next? - Numberphile

388 views / 0 likes - added 5 years ago

Maybe pause the video and see if you can figure these out? Featuring Neil Sloane of OEIS fame... More links & stuff in full description below, including spoilers ↓↓↓ Extra footage from this video: https://youtu.be/ydn7s9-3GRc Neil Sloane is the founder of
10:39
How Not to Set Your Pizza on Fire: Crash Course Engineering #15

303 views / 0 likes - added 4 years ago

Today were going to explain how exchangers...exchange heat. Well look at concentric tubes, finned tubes, plate heat exchangers, and shell-and-tube heat exchangers. And well look at some equations to help us sort through heat transfer and decide what heat
13:41
Enlightened Monarchs: Crash Course European History #19

643 views / 0 likes - added 4 years ago

Last time we learned about the Enlightenment, and the philosophers and thinkers whose ideas would shape governance for hundred of years. This week, we're learning how monarchs across Europe were influenced by those ideas. Adoption of Enlightenment ideas a
14:09 Popular
Medieval Europe: Crash Course European History #1

735 views / 1 likes - added 4 years ago

Our European history is going to start around 1500 with the Renaissance, but believe it or not, that is not the actual beginning of history in the continent. So, today, we're going to teach you the broad outlines of the so-called Middle Ages, and look at
16:15
World War II: Crash Course European History #38

485 views / 2 likes - added 4 years ago

Only a couple of decades after the end of the First World War--which was supposed to be the War that Ended All Wars--another, bigger, farther-flung, more destructive, and deadlier war began. Today, you'll learn about how the war in Europe progressed, from
11:56
The Nescaf Equation (43 coffee beans) - Numberphile

142 views / 0 likes - added 1 year ago

Featuring Cliff Stoll. Check https://brilliant.org/numberphile for Brilliant and get 20% off their premium service (episode sponsor) More links & stuff in full description below ↓↓↓ Cliff scrutinizes the lyrics of a Nescafé adver
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Metals & Ceramics: Crash Course Engineering #19

1,145 views / 0 likes - added 4 years ago

Today well explore more about two of the three main types of materials that we use as engineers: metals and ceramics. Well discuss properties of metals, alloys, ceramics, clay, cement, and glass-ceramic materials. Well also look at the applications of our
15:18
Eastern Europe Consolidates: Crash Course European History #16

408 views / 0 likes - added 4 years ago

While the focus has been on Western Europe so far, there has also been a lot going on in Eastern Europe, which we'll be looking at today. The Commonwealth of Poland-Lithuania, The Ottoman Empire, and Russia were all competing at the eastern end of the con
14:25
World War II Civilians and Soldiers: Crash Course European History #39

406 views / 0 likes - added 4 years ago

Our look at World War II continues with a closer examination of just how the war impacted soldiers in the field, and the people at home. For many of the combatants, the homefront and the warfront were one and the same. The war disrupted life for millions
13:30
The 17th Century Crisis: Crash Course European History #11

386 views / 0 likes - added 4 years ago

The 17th Century in Europe was pretty rough in a lot of ways. The Thirty Years War involved a lot of countries, and a lot of battles, and it was terrible for everyone involved, as wars have aa historical tendency to be. At the same time, disease and hunge
14:16
World War I Battlefields: Crash Course European History #33

515 views / 0 likes - added 4 years ago

Europe's system of alliances and centuries-old tensions erupted into war in August of 1914. This week on Crash Course Euro, we're talking about the military history of World War I, and taking a look at the broad strokes of how the war unfolded. We'll take
14:59
18th Century Warfare: Crash Course European History #20

410 views / 0 likes - added 4 years ago

European powers had a lot of wars in the 18th century, and they weren't confined to Europe. Conflict raged across the globe, in what might be called a World War...but we don't call it that, because we already have a couple of those coming up in the 20th c
16:34
Expansion and Consequences: Crash Course European History #5

398 views / 0 likes - added 4 years ago

European exploration had a lot of side effects. When the Old World and the New World began to interact, people, wealth, food, animals, and disease began to flow in both directions. In the New World, countless millions were killed by smallpox, measles, and
17:17
How to make an AI read your handwriting (LAB) : Crash Course Ai #5

319 views / 0 likes - added 4 years ago

Follow along: https://colab.research.google.com/drive/1NyYH1EPpaJlMBLK0fcKYz4icaD1SNSLKJohn Green Bot wrote his first novel! Today, in our first ever Lab were going to program a neural network to recognize handwritten letters to convert the first part of
10:52
Memory: Crash Course Study Skills #3

574 views / 0 likes - added 6 years ago

This episode is sponsored by The Great Courses Plus. Start your free one-month trial today (and let The Great Courses Plus know we sent you!): http://ow.ly/faUN30db5c7 An essential part of learning and studying is remembering things, so this week Thomas e
10:44 Popular
Heat Engines, Refrigerators, & Cycles: Crash Course Engineering #11

883 views / 0 likes - added 4 years ago

Cycles are a big deal in engineering. Today well explain what they are and how theyre used in heat engines, refrigerators, and heat pumps. Well also discuss phase diagrams and the power of using renewable energy resourcesCrash Course Engineering is produc
06:49 Popular
The Immune System Explained I – Bacteria Infection

1,460 views / 4 likes - added 8 years ago

Every second of your life you are under attack. Bacteria, viruses, spores and more living stuff wants to enter your body and use its resources for itself. The immune system is a powerful army of cells that fights like a T-Rex on speed and sacrifices itsel
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14:07
WWI's Civilians, the Homefront, and an Uneasy Peace: Crash Course European History #34

400 views / 0 likes - added 4 years ago

World War I was a total war for millions of people in Europe. Many men were enlisted in the fighting, but the war work had implications for the daily lives of a huge number of Europeans. Women entered the workforce in huge numbers, and for a lot of people
08:06
Why Blue Whales Don't Get Cancer - Peto's Paradox

571 views / 0 likes - added 4 years ago

Get Merch designed with from https://kgs.link/shop Join the Patreon Bird Army https://kgs.link/patreon More infos and links are just a click away Cancer is a creepy and mysterious thing. While we tried to understand it, to get better at killing it, we dis
11:02
How Engineering Robots Works: Crash Course Engineering #33

479 views / 0 likes - added 4 years ago

In this episode we looked at robots and the engineering principles of robots. We learned how robots use sensors to interpret their environment, how actuators and effectors allow a robot to manipulate the objects around it to accomplish a task, and how com
11:19
The Most Extreme Explosion in the Universe

287 views / 2 likes - added 1 year ago

Go beyond the nutshell at https://brilliant.org/nutshell by diving deeper into these topics and more with 20% off an annual subscription!This video was sponsored by Brilliant. Thanks a lot for the support!Sources & further reading:https://sites.google.com
11:16
Mass Separation: Crash Course Engineering #17

411 views / 0 likes - added 4 years ago

It can be really important to separate out chemicals for all kinds of reasons. Today were going over three different processes engineers use to achieve that separation: distillation, which separates substances based on their different boiling points; liqu
12:55
Why We Can't Invent a Perfect Engine: Crash Course Engineering #10

668 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
09:57 Popular
How Seawater Sabotages Ships: Crash Course Engineering #43

1,129 views / 0 likes - added 4 years ago

This week were headed out to sea for some marine engineering. How do we design ships to handle aquatic environments? How do we deal with marine life and corrosion and all of the other problems that come with engineering in the ocean? How can large maritim
09:54
How the Leaning Tower of Pisa Was Saved: Crash Course Engineering #40

381 views / 0 likes - added 4 years ago

This week were going underground to explore geotechnical and seismic engineering. Well look at how structures connect to the ground and transmit loads through their foundations, and how those foundations need to provide a high bearing capacity. Well see h
09:00
The History of Chemical Engineering: Crash Course Engineering #5

324 views / 0 likes - added 4 years ago

Today well cover the fourth and final of our core disciplines of engineering: chemical engineering. Well talk about its history and evolution going from soda ash competitions to oil refineries and renewable energies. Well also discuss some newer and emerg
09:10 Popular
Stress, Strain & Quicksand: Crash Course Engineering #12

769 views / 0 likes - added 4 years ago

Today were talking all about fluid mechanics! Well look at different scales that we work with as engineers, mass and energy transfers, the no-slip condition, stress and strain, Newtons law of viscosity, Reynolds number, and more!Crash Course Engineering i
13:39
The Holocaust,Genocides, and Mass Murder of WWII: Crash Course European History #40

533 views / 2 likes - added 4 years ago

During World War II, Nazi Germany undertook the imprisonment and summary execution of many of its own citizens, and citizens of the nations they occupied. One of the groups that came under assault was the European Jewish population. More than six million
08:51
The Mighty Power of Nanomaterials: Crash Course Engineering #23

369 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
13:44
Catholic Counter-Reformation: Crash Course European History #9

446 views / 0 likes - added 4 years ago

When the Protestant Reformation broke out in Western Europe, the Catholic Church got the message, at least a little bit. Pope Paul III called a council to look into reforming some aspects of the Catholic Church and try to stem the tide of competing Christ
10:06
Universal Basic Income Explained – Free Money for Everybody? UBI

658 views / 0 likes - added 6 years ago

What is UBI? How would free money change our lives. Kurzgesagt Newsletter: http://eepurl.com/cRUQxz Support us on Patreon so we can make more videos (and get cool stuff in return): https://www.patreon.com/Kurzgesagt?ty=h Kurzgesagt merch: http://bit.ly/1P
07:22 Popular
Everything You Need To Know About Planet Earth

811 views / 1 likes - added 8 years ago

Planet Earth is this solid thing you are standing on right now. In your everyday life you don't really waste a thought about how amazing this is. A giant, ancient, hot rock. How did it come into existence and how big is it really? You will be surprised. T
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10:40 Popular
How Many People Did Nuclear Energy Kill? Nuclear Death Toll

734 views / 2 likes - added 3 years ago

The first 1000 people to use this link will get a free trial of Skillshare: https://skl.sh/kurzgesagtinanutshell01211 Sources & further reading: https://sites.google.com/view/sources-nuclear-death-toll/ Nuclear energy creates an uneasy feeling of dang
10:06
The Law of Conservation: Crash Course Engineering #7

290 views / 0 likes - added 4 years ago

Today Shini explains the law of conservation, beginning with simple, steady-state systems. Well discuss conversion and yield, accumulation, and how generation and consumption can affect how much accumulation there is in a system.This episode is sponsored
08:35 Popular
The World War of the Ants The Army Ant

1,488 views / 7 likes - added 4 years ago

Thanks to Curiosity Stream for supporting us in making this video.Go to https://curiositystream.com/kurzgesagt for a free 31-day-trial.Sources:https://sites.google.com/view/sources-world-war-ants/Every day billions of soldiers fight a merciless war on tho
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09:34
Social Stratification in the US: Crash Course Sociology #23

574 views / 0 likes - added 6 years ago

Social class in America is... hard to talk about. As Sociology, the difficulty lies in pinning down what we mean by "Social Class." In this episode of Crash Course Sociology, Nicole chats to us about how Sociologists figure this out so we can all have a c
09:51
Smart Tattoos & Tiny Robots: Crash Course Engineering #37

318 views / 0 likes - added 4 years ago

This week we are exploring biodevices and the part they play in the healthcare world. Well look at the challenges of implantable biodevices, like biocompatibility, power and connectivity, packaging, structural design, delivery systems, and device manageme
07:55
The Egg

682 views / 3 likes - added 4 years ago

The Egg Story by Andy Weir Animated by Kurzgesagt A Big Thanks to Andy Weir for allowing us to use his story. The original was released here: http://www.galactanet.com/oneoff/theegg_mod.html Visit his website here: http://www.andyweirauthor.com/ If you wa
10:55 Popular
Why Don't We Shoot Nuclear Waste Into Space?

1,161 views / 5 likes - added 1 year ago

The new 12,023 Human Era Calendar is here!https://kgs.link/calendarWORLDWIDE SHIPPING AVAILABLE.This time you can join us on a journey through the microcosm. Curious? Head over to our shop and get it while supplies last.Sources & further reading:https
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The History of Electrical Engineering: Crash Course Engineering #4

378 views / 1 likes - added 4 years ago

Next stop on our tour of engineerings major fields: electrical engineering. In this episode well explore the history of telecommunications, electric power and lighting, and computers. Well introduce topics like magnetism, electrical conduction, telegraphy
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How to Engineer Health - Drug Discovery & Delivery: Crash Course Engineering #36

334 views / 0 likes - added 4 years ago

Engineers are problem solvers, and our own health is full of problems to be engineered. In this episode we discuss drug discovery and drug delivery. Well explore everything from classical and reverse pharmacology to the new field of synthetic biology. Wel
11:10
Biomaterials: Crash Course Engineering #24

362 views / 0 likes - added 4 years ago

Weve talked about different materials engineers use to build things in the world, but theres a special category of materials they turn to when building things to go inside our bodies. In this episode well explore the world biomaterials like titanium and t
10:01
To The Moon & Mars - Aerospace Engineering: Crash Course Engineering #34

333 views / 1 likes - added 4 years ago

This week were exploring aerospace engineering and its two main fields: aeronautical engineering and astronautical engineering. Well explore life & buoyancy, propulsion systems, and the challenges of managing the human body in space.Crash Course Engineeri
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Atoms As Big As Mountains — Neutron Stars Explained

782 views / 0 likes - added 8 years ago

Neutron Stars are some of the strangest things in the Universe. Not quite massive enough to become black holes they are basically atoms as big as mountains with properties so extreme it's mind-blowing. And if you get too close to a neutron star you are in
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The Ebola Virus Explained — How Your Body Fights For Survival

969 views / 0 likes - added 8 years ago

What does the Ebola virus actually do in your body? Why is it so dangerous and why does it kill so many people? We take a look at the apocalyptic war that rages in the body after an infection by the Ebola virus and the soldiers fighting. Videos, explainin
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How Large Can a Bacteria get? Life & Size 3

416 views / 1 likes - added 3 years ago

The first 1000 people to use this link will get a free trial of Skillshare: https://skl.sh/kurzgesagt9Get our new beautiful Ocean Explorer Notebook:https://shop.kurzgesagt.org/Sources & further reading: https://sites.google.com/view/sourceslifeandsize3 In
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Wormholes Explained – Breaking Spacetime

739 views / 4 likes - added 5 years ago

To support Kurzgesagt and learn more about Brilliant, go to https://www.brilliant.org/nutshell and sign up for free. The first 688 people that go to that link will get 20% off the annual Premium subscription. Are wormholes real or are they just magic disg
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Why Alien Life Would be our Doom - The Great Filter

600 views / 2 likes - added 6 years ago

The first 688 people to use this link will get 20% off their annual membership: http://brilliant.org/nutshell Thanks a lot to Brilliant for supporting this channel. Finding alien life on a distant planet would be amazing news - or would it? If we are not
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How Small Is An Atom? Spoiler: Very Small.

874 views / 0 likes - added 8 years ago

Atoms are very weird. Wrapping your head around exactly how weird, is close to impossible – how can you describe something that is SO removed from humans experience? But then again, they kind of make up everything, so let us try anyways. You can the MUSIC
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What If Earth got Kicked Out of the Solar System? Rogue Earth

528 views / 3 likes - added 3 years ago

To get a fresh perspective on science, go to https://brilliant.org/Nutshell/ and sign up free. And theres an extra perk for kurzgesagt viewers: the first 200 people to use the link get 20% off their annual membership, which lets you view all the daily pro
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Which Bear Is Best?

574 views / 0 likes - added 7 years ago

Why do some species flourish and others falter? Sometimes it just comes down to luck. A big thank-you to our supporters on https://www.patreon.com/MinuteEarth : - Today I Found Out - Maarten Bremer - Jeff Straathof - Mark Roth - Tony Fadell - Muhammad Shi
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The Ultimate Conspiracy Debunker

792 views / 0 likes - added 8 years ago

Most Conspiracy Theories are stupid. By the power of the internet they spread like wildfire and often poison discussions. But there is hope – we developed a way to debunk conspiracies in just a few seconds… You can get the MUSIC of the video here: https:/
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What Is Life? Is Death Real?

997 views / 1 likes - added 8 years ago

So what is the difference between you and a rock? This seems like an easy, even stupid question. But even the smartest people on earth have no idea where to draw the line between living and dead things. Which leads to mind-blowing implications. What is li
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The Fermi Paradox II — Solutions And Ideas – Where Are All The Aliens?

847 views / 2 likes - added 8 years ago

Where are all the aliens? The universe is too big and too old, why have we not met aliens yet? Do they live in computers? Were they wiped out by an ancient super intelligence? Or are we just to primitive to understand their motives? Whatever the answer is
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Measles Explained — Vaccinate Or Not?

1,039 views / 1 likes - added 8 years ago

Everybody is talking about Measles – but what does the virus actually do in the body? Is it really so harmful that you need a vaccination? We go deep into the body of an infected person and see what Measles does and how the immune system reacts to it! Vid
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Nuclear Energy Explained: How Does It Work? 1/3

1,112 views / 1 likes - added 8 years ago

Nuclear Energy Explained: How does it work? Nuclear Energy is a controversial subject. The pro- and anti-nuclear lobbies fight furiously, and it's difficult to decide who is right. So we're trying to clear up the issue - in this video we discuss how we go
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3 Reasons Why Nuclear Energy Is Terrible! 2/3

1,121 views / 3 likes - added 8 years ago

Nuclear energy might be a failed experiment. In over sixty years the technology has not only failed to keep its promise of cheap, clean and safe energy, it also caused major catastrophes and enabled more nuclear weapons while the nuclear waste problem is
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Is War Over? — A Paradox Explained

1,252 views / 6 likes - added 8 years ago

We live in the most peaceful time in human history. Wait, what? Seriously? That can't be right, there are more wars than ever! Well, no and they're killing fewer and fewer people, even though the world population is at an all-time high...and the numbers p
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3 Reasons Why Nuclear Energy Is Awesome! 3/3

1,663 views / 3 likes - added 8 years ago

Nuclear energy might have a lot of unused potential. Not only is it one of the best mid term solutions for global warming bit despite what gut feeling tells us, it has saved millions of lives. By investing more into better technologies we might be able to
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The Fermi Paradox — Where Are All The Aliens? (1/2)

1,180 views / 1 likes - added 8 years ago

The universe is unbelievably big – trillions of stars and even more planets. Soo… there just has to be life out there, right? But where is it? Why don’t we see any aliens? Where are they? And more importantly, what does this tell us about our own fate in
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How to design an actually good toaster with lessons from the 1940's

769 views / 0 likes - added 3 years ago

I love this toaster so dang much. Here are those as-promised links in the description; Link ONE: The original Sunbeam video; https://youtu.be/1OfxlSG6q5Y Link TWO (why am I yelling?): The Electromagnet in your Toaster https://youtu.be/zLFG068HtgM And some

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