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Search Results: "Malcolm Rifkind"

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  • 03:08 Thunderstruck By AC/DC -- Solo Ukulele Cover

    Thunderstruck By AC/DC -- Solo Ukulele Cover

    410 views / 1 likes - added

    With the news of Malcolm Young's death a few days ago, I've had AC/DC's music on my mind a lot. So as a tribute, I thought I'd try to play one of their songs. This one is famous for the blistering one-hand showboat riff played by Malcolm's brother, Angus

  • 02:58 Installation of the Statue of Athena Parthenos (ca. 170 B.C.)

    Installation of the Statue of Athena Parthenos (ca. 170 B.C.)

    243 views / 1 likes - added

    On August 4, 2016, a monumental statue of Athena Parthenos (ca. 170 B.C.) from Pergamon was installed in The Met's Great Hall. A special loan from the collection of the Pergamon Museum in Berlin, the statue will remain on display in the Great Hall for two

  • 03:27 Does Your School Matter?

    Does Your School Matter?

    318 views / 0 likes - added

    Are elite schools actually the better choice? 9 Scientific Study Tips: https://youtu.be/p60rN9JEapg SUBSCRIBE (it's free): http://bit.ly/asapsci This episode was inspired from the book "David and Goliath" by Malcolm Gladwell, which you can check out here:

  • 06:11 Containerization: The Most Influential Invention That You've Never Heard Of

    Containerization: The Most Influential Invention That You've Never Heard Of

    381 views / 0 likes - added

    The intermodal container changed our world. We would never have the interconnected and global economy of today without Malcolm McLean and his system of containerization. Email: wendoverproductions@gmail.com Twitter: @WendoverPro Please consider subscribin

  • 04:51 Why can't you divide by zero? - TED-Ed

    Why can't you divide by zero? - TED-Ed

    349 views / 0 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-can-t-you-divide-by-zero In the world of math, many strange results are possible when we change the rules. But there’s one rule that most of us have

    Featured
  • 02:26 Meet the Man Bringing IT Skills to the Sea

    Meet the Man Bringing IT Skills to the Sea

    347 views / 1 likes - added

    Malcolm Ong spent over 20 years working in IT but always knew his true love was the sea. After deciding to make a career change, Ong became a fish farmer in Singapore. Combining both of his passions, Ong restructured old fishing practices to make them mor

  • 03:10 Slow Motion Salt Flats Tricking

    Slow Motion Salt Flats Tricking

    249 views / 2 likes - added

    Afternoon tricking session at the Bonneville Salt Flats Kuma hats/shirts → http://www.kumafilms.com/merch Subscribe→ http://bit.ly/kumaf1lms More vids → http://bit.ly/kumavids http://www.kumafilms.com/ Facebook→ https://www.facebook.com/KumaFilms Instagra

  • 11:00 Why Cosmic Evolution Matters: Crash Course Big History #201

    Why Cosmic Evolution Matters: Crash Course Big History #201

    223 views / 0 likes - added

    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

    Ford, Cars, and a New Revolution: Crash Course History of Science #28

    54 views / 0 likes - added

    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

  • 13:15 The New Chemistry: Crash Course History of Science #18

    The New Chemistry: Crash Course History of Science #18

    48 views / 0 likes - added

    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

  • 12:51 Biology Before Darwin: Crash Course History of Science #19

    Biology Before Darwin: Crash Course History of Science #19

    59 views / 0 likes - added

    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

  • 12:13 Biotechnology: Crash Course History of Science #40

    Biotechnology: Crash Course History of Science #40

    56 views / 0 likes - added

    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

  • 12:33 Electricity: Crash Course History of Science #27

    Electricity: Crash Course History of Science #27

    53 views / 0 likes - added

    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

  • 12:29 Thermodynamics: Crash Course History of Science #26

    Thermodynamics: Crash Course History of Science #26

    46 views / 0 likes - added

    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

  • 13:25 The Century of the Gene: Crash Course History of Science #42

    The Century of the Gene: Crash Course History of Science #42

    53 views / 0 likes - added

    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 Genetics - Lost and Found: Crash Course History of Science #25

    Genetics - Lost and Found: Crash Course History of Science #25

    45 views / 0 likes - added

    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

  • 12:16 The New Anatomy: Crash Course History of Science #15

    The New Anatomy: Crash Course History of Science #15

    42 views / 0 likes - added

    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

  • 13:44 Earth Science: Crash Course History of Science #20

    Earth Science: Crash Course History of Science #20

    57 views / 0 likes - added

    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

  • 09:39 Major Sociological Paradigms: Crash Course Sociology #2

    Major Sociological Paradigms: Crash Course Sociology #2

    414 views / 0 likes - added

    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 The Industrial Revolution: Crash Course History of Science #21

    The Industrial Revolution: Crash Course History of Science #21

    56 views / 0 likes - added

    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

  • 13:50 Newton and Leibniz: Crash Course History of Science #17

    Newton and Leibniz: Crash Course History of Science #17

    45 views / 0 likes - added

    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

  • 11:34 Climate Science: Crash Course History of Science #45

    Climate Science: Crash Course History of Science #45

    45 views / 0 likes - added

    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

  • 10:24 Nuclear Physics: Crash Course Physics #45

    Nuclear Physics: Crash Course Physics #45

    317 views / 0 likes - added

    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

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

    Bodies and Dollars: Crash Course History of Science #41

    52 views / 0 likes - added

    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

  • 10:27 Why Human Ancestry Matters: Crash Course Big History 205

    Why Human Ancestry Matters: Crash Course Big History 205

    229 views / 0 likes - added

    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

  • 12:51 Life and Longevity: Crash Course History of Science #44

    Life and Longevity: Crash Course History of Science #44

    51 views / 0 likes - added

    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

  • 13:30 Degrees of Freedom and Effect Sizes: Crash Course Statistics #28

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

    47 views / 0 likes - added

    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

  • 12:23 Ecology: Crash Course History of Science #38

    Ecology: Crash Course History of Science #38

    56 views / 0 likes - added

    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

  • 11:54 The Computer and Turing: Crash Course History of Science #36

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

    44 views / 0 likes - added

    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

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

    Darwin and Natural Selection: Crash Course History of Science #22

    54 views / 0 likes - added

    "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

  • 12:07 Einstein's Revolution: Crash Course History of Science #32

    Einstein's Revolution: Crash Course History of Science #32

    48 views / 0 likes - added

    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

  • 12:47 The Mind/Brain: Crash Course History of Science #30

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

    42 views / 0 likes - added

    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

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

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

    40 views / 0 likes - added

    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

  • 12:05 The Atomic Bomb: Crash Course History of Science #33

    The Atomic Bomb: Crash Course History of Science #33

    49 views / 0 likes - added

    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

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

    Chi-Square Tests: Crash Course Statistics #29

    47 views / 0 likes - added

    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,

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

    The Lumiere Brothers: Crash Course Film History #3

    320 views / 0 likes - added

    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

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

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

    59 views / 0 likes - added

    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

  • 13:16 Absolute Monarchy: Crash Course European History #13

    Absolute Monarchy: Crash Course European History #13

    43 views / 0 likes - added

    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

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

    Why Star Stuff Matters: Crash Course Big History 202

    297 views / 0 likes - added

    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

    Why Early Globalization Matters: Crash Course Big History #206

    233 views / 0 likes - added

    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

  • 12:22 Creation from the Void: Crash Course Mythology #2

    Creation from the Void: Crash Course Mythology #2

    331 views / 0 likes - added

    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

  • 12:05 You Know Im All About that Bayes: Crash Course Statistics #24

    You Know Im All About that Bayes: Crash Course Statistics #24

    42 views / 0 likes - added

    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

  • 09:56 Sociology & the Scientific Method: Crash Course Sociology #3

    Sociology & the Scientific Method: Crash Course Sociology #3

    248 views / 0 likes - added

    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

  • 12:51 Big Data Problems: Crash Course Statistics #39

    Big Data Problems: Crash Course Statistics #39

    65 views / 0 likes - added

    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

  • 13:04 The Scientific Methods: Crash Course History of Science #14

    The Scientific Methods: Crash Course History of Science #14

    59 views / 0 likes - added

    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

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

    40 views / 0 likes - added

    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

  • 11:14 Bayes in Science and Everyday Life: Crash Course Statistics #25

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

    59 views / 0 likes - added

    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

  • 10:24 Why is there Social Stratification?: Crash Course Sociology #22

    Why is there Social Stratification?: Crash Course Sociology #22

    252 views / 0 likes - added

    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

  • 05:45 How to Disguise Yourself (DIY Old Man Makeup) | D.I.Spy

    How to Disguise Yourself (DIY Old Man Makeup) | D.I.Spy

    338 views / 0 likes - added

    Today's assignment from Head Quarters: spies-in-training Izzy and Kaiden must become masters of spy disguise. Watch to learn how to DIY a voice changer and how to use makeup to turn yourself into an old man. → Credits ← Executive Producer - Judy Meyers Wr

  • 04:52 Can you solve the killer robo-ants riddle? - Dan Finkel

    Can you solve the killer robo-ants riddle? - Dan Finkel

    351 views / 0 likes - added

    Practice more problem-solving at https://brilliant.org/TedEd/ Solution to Bonus Riddle: https://brilliant.org/TedEdRoboAnts/ The good news is that your experimental robo-ants are a success. The bad news is that you accidentally gave them the ability to sh

  • 04:36 How to Track a Spy (DIY Blacklight Mat) | D.I.Spy

    How to Track a Spy (DIY Blacklight Mat) | D.I.Spy

    261 views / 0 likes - added

    Today's assignment from Head Quarters: spies-in-training Izzy and Kaiden must track the person who broke into their base. Watch to learn how to DIY a tripwire and blacklight tracking mat. → Credits ← Executive Producer - Judy Meyers Writer / Director – Da

  • 11:51 Supervised Machine Learning: Crash Course Statistics #36

    Supervised Machine Learning: Crash Course Statistics #36

    50 views / 0 likes - added

    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

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

    Social Groups: Crash Course Sociology #16

    263 views / 0 likes - added

    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

    Unsupervised Machine Learning: Crash Course Statistics #37

    46 views / 0 likes - added

    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

  • 17:20 The Numbers in Dice Stacking and Balancing

    The Numbers in Dice Stacking and Balancing

    249 views / 1 likes - added

    Behold the 120-sided dice, the d120: http://thedicelab.com/d120.html Of course, the d120 is available on Maths Gear! https://mathsgear.co.uk/products/d120-dice Here is the numerically balanced d20 as well. https://mathsgear.co.uk/products/numerically-bala

  • 04:19 What is imposter syndrome and how can you combat it? - Elizabeth Cox

    What is imposter syndrome and how can you combat it? - Elizabeth Cox

    213 views / 0 likes - added

    View full lesson: https://ed.ted.com/lessons/what-is-imposter-syndrome-and-how-can-you-combat-it-elizabeth-cox Check out our Patreon page: https://www.patreon.com/teded Even after writing eleven books and winning several awards, Maya Angelou couldn’t esca

  • 04:56 How far would you have to go to escape gravity? - Rene Laufer

    How far would you have to go to escape gravity? - Rene Laufer

    181 views / 0 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-far-would-you-have-to-go-to-escape-gravity-rene-laufer Every star, black hole, human being, smartphone and atom are all constantly pulling on each o

  • 11:27 The Normal Distribution: Crash Course Statistics #19

    The Normal Distribution: Crash Course Statistics #19

    51 views / 0 likes - added

    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

  • 10:27 Procrastination: Crash Course Study Skills #6

    Procrastination: Crash Course Study Skills #6

    311 views / 0 likes - added

    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

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

    How To Become An Engineer: Crash Course Engineering #45

    66 views / 0 likes - added

    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

  • 06:11 How to Pass A Spy Note (DIY Peel-To-Reveal Banana Message) | D.I.SPY

    How to Pass A Spy Note (DIY Peel-To-Reveal Banana Message) | D.I.SPY

    361 views / 0 likes - added

    Today's assignment from Head Quarters: spies-in-training Izzy and Kaiden must sneak a secret mac n cheese recipe out of the school cafeteria. Watch to learn how to hide a note in a banana and make a timed distractor. → Credits ← Executive Producer - Judy

  • 09:42 What Is Sociology?: Crash Course Sociology #1

    What Is Sociology?: Crash Course Sociology #1

    300 views / 0 likes - added

    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

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

    Comedies, Romances, and Shakespeare's Heroines: Crash Course Theater #16

    55 views / 0 likes - added

    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

  • 11:23 Intro to Big Data: Crash Course Statistics #38

    Intro to Big Data: Crash Course Statistics #38

    69 views / 0 likes - added

    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

  • 12:22 Why the Evolutionary Epic Matters: Crash Course Big History #203

    Why the Evolutionary Epic Matters: Crash Course Big History #203

    209 views / 0 likes - added

    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

  • 10:11 Sociology Research Methods: Crash Course Sociology #4

    Sociology Research Methods: Crash Course Sociology #4

    385 views / 0 likes - added

    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.

  • 08:51 Taking Notes: Crash Course Study Skills #1

    Taking Notes: Crash Course Study Skills #1

    469 views / 0 likes - added

    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

  • 12:59 English Theater After Shakespeare: Crash Course Theater #17

    English Theater After Shakespeare: Crash Course Theater #17

    55 views / 0 likes - added

    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

  • Ancient & Medieval Medicine: Crash Course History of Science #9

    Ancient & Medieval Medicine: Crash Course History of Science #9

    50 views / 0 likes - added

    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

  • 06:27 How to Hide Your Phone (DIY Puzzle Safe) | D.I.Spy

    How to Hide Your Phone (DIY Puzzle Safe) | D.I.Spy

    262 views / 0 likes - added

    Today's assignment from Head Quarters: spies-in-training Izzy and Kaiden must build an impenetrable safe and then hide the directions on how to open it. Watch to learn how to build a puzzle safe and secret shoe sole compartment. → Credits ← Executive Prod

  • 10:10 Skyscrapers, Statics, & Dynamics: Crash Course Engineering #26

    Skyscrapers, Statics, & Dynamics: Crash Course Engineering #26

    43 views / 0 likes - added

    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

    The New Astronomy: Crash Course History of Science #13

    62 views / 0 likes - added

    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

  • 14:02 The Northern Renaissance: Crash Course European History #3

    The Northern Renaissance: Crash Course European History #3

    50 views / 0 likes - added

    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.

  • 03:49 The Irish myth of the Giant's Causeway - Iseult Gillespie

    The Irish myth of the Giant's Causeway - Iseult Gillespie

    263 views / 0 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-irish-myth-of-the-giant-s-causeway-iseult-gillespie On the coast of Northern Ireland, a vast plateau of basalt slabs and columns called the Giant’s

  • 04:10 The myth of Pandora’s box - Iseult Gillespie

    The myth of Pandora’s box - Iseult Gillespie

    246 views / 0 likes - added

    Find out how students can share their ideas as TED Talks here: http://bit.ly/2zpAQUc View full lesson: https://ed.ted.com/lessons/the-myth-of-pandora-s-box-iseult-gillespie Pandora was the first mortal woman, breathed into being by Hephaestus, god of fire

  • 05:15 How to Prank a Thief (DIY Booby Trap Cupcake) | D.I.Spy

    How to Prank a Thief (DIY Booby Trap Cupcake) | D.I.Spy

    330 views / 1 likes - added

    Today's assignment from Head Quarters: spies-in-training Izzy and Kaiden must catch the thief who keeps stealing Izzys birthday cupcakes. Watch to learn how to DIY booby trap cupcakes and a lie detector. 3D Glasses Template: http://www.preproom.org/downlo

  • 09:24 The Impacts of Social Class: Crash Course Sociology #25

    The Impacts of Social Class: Crash Course Sociology #25

    239 views / 0 likes - added

    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

  • 04:43 Why should you read "A Midsummer Night's Dream"? - Iseult Gillespie

    Why should you read "A Midsummer Night's Dream"? - Iseult Gillespie

    307 views / 0 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-should-you-read-a-midsummer-night-s-dream-iseult-gillespie By the light of the moon, a group sneaks into the woods, where they take mind-altering su

  • Alchemy: History of Science #10

    Alchemy: History of Science #10

    53 views / 0 likes - added

    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

  • 06:10 The journey to Pluto, the farthest world ever explored - Alan Stern

    The journey to Pluto, the farthest world ever explored - Alan Stern

    273 views / 1 likes - added

    Check out Alan Stern's "Chasing New Horizons": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/chasing-new-horizons View full lesson: https://ed.ted.com/lessons/the-journey-to-pluto-the-farthest-world-ever-explored-alan-stern As o

  • 06:00 How to do a Secret Handoff (DIY Fake Arm) | D.I.SPY

    How to do a Secret Handoff (DIY Fake Arm) | D.I.SPY

    365 views / 0 likes - added

    Today's assignment from Head Quarters: spies-in-training Izzy and Kaiden must create a fake arm in a cast to carry out the hand off of a secret note. Watch to learn how to DIY a fake arm and infrared coded messages! → Credits ← Executive Producer - Judy M

  • 09:26 Planning & Organization: Crash Course Study Skills #4

    Planning & Organization: Crash Course Study Skills #4

    255 views / 0 likes - added

    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:

  • 11:30 Why Human Evolution Matters: Crash Course Big History 204

    Why Human Evolution Matters: Crash Course Big History 204

    380 views / 0 likes - added

    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

  • 05:00 A day in the life of a Roman soldier - Robert Garland

    A day in the life of a Roman soldier - Robert Garland

    620 views / 1 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/a-day-in-the-life-of-a-roman-soldier-robert-garland The year is 15 CE, and the Roman Empire is prospering. Most of the credit will go to the emperor, bu

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  • 08:59 Studying for Exams: Crash Course Study Skills #7

    Studying for Exams: Crash Course Study Skills #7

    234 views / 0 likes - added

    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

  • 07:15 Jumping Hoppers in SLOW MOTION!

    Jumping Hoppers in SLOW MOTION!

    53 views / 0 likes - added

    Leafhoppers, treehoppers, planthoppers, and froghoppers are all insects in the order Hemiptera that are some of the fastest jumping animals on earth! They are also super-common, so I collected a bunch and filmed their jumps in slow-motion!References (Prof

  • 06:45 What can DNA tests really tell us about our ancestry? - Prosanta Chakrabarty

    What can DNA tests really tell us about our ancestry? - Prosanta Chakrabarty

    38 views / 0 likes - added

    Dig into the science of how ancestry DNA tests work, their accuracy, and why tracing ancestry is so complicated. --Two sisters take the same DNA test. The results show that one sister is 10% French, the other 0%. Both sisters share the same two parents, a

  • 09:21 Mass-Producing Ice Cream with Food Engineering: Crash Course Engineering #39

    Mass-Producing Ice Cream with Food Engineering: Crash Course Engineering #39

    50 views / 0 likes - added

    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,

  • 05:39 How do birds learn to sing? - Partha P. Mitra

    How do birds learn to sing? - Partha P. Mitra

    493 views / 0 likes - added

    Learn more about TED-Ed's student voice initiative here: http://bit.ly/2sHzrqU View full lesson: https://ed.ted.com/lessons/how-do-birds-learn-to-sing-partha-mitra A brown thrasher knows a thousand songs. A wood thrush can sing two pitches at once. A mock

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  • 15:08 Scientific Revolution: Crash Course European History #12

    Scientific Revolution: Crash Course European History #12

    57 views / 0 likes - added

    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

  • 06:23 How can we solve the antibiotic resistance crisis? - Gerry Wright

    How can we solve the antibiotic resistance crisis? - Gerry Wright

    54 views / 0 likes - added

    Take a closer look at the challenges of antibiotic resistance and what we can do to prevent losing this vital medicine. --Antibiotics: behind the scenes, they enable much of modern medicine. We use them to cure infectious diseases, and to safely facilitat

  • 04:54 How close are we to eradicating HIV? - Philip A. Chan

    How close are we to eradicating HIV? - Philip A. Chan

    96 views / 0 likes - added

    Can we end HIV? Find out how medications like PrEP are helping to prevent the transmission and spread of HIV, and possibly leading to its eradication.--The world is getting closer to achieving one of the most important public health goals of our time: era

  • 14:28 1984 by George Orwell, Part 1: Crash Course Literature 401

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

    282 views / 0 likes - added

    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

  • 08:50 Test Anxiety: Crash Course Study Skills #8

    Test Anxiety: Crash Course Study Skills #8

    311 views / 0 likes - added

    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

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

    Florence and the Renaissance: Crash Course European History #2

    40 views / 0 likes - added

    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

  • 11:42 Mythical Mountains: Crash Course World Mythology #33

    Mythical Mountains: Crash Course World Mythology #33

    349 views / 0 likes - added

    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

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

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

    42 views / 0 likes - added

    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

  • 05:11 Could the Earth be swallowed by a black hole? - Fabio Pacucci

    Could the Earth be swallowed by a black hole? - Fabio Pacucci

    485 views / 2 likes - added

    Download a free audiobook version of "The Hitchhiker's Guide to the Galaxy" and support TED-Ed's nonprofit mission: https://adbl.co/2xqDYxY Check out our full book recommendation: https://shop.ed.ted.com/products/a-hitchhikers-guide-to-the-galaxy View ful

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  • 04:36 The Mayan myth of the morning star

    The Mayan myth of the morning star

    164 views / 0 likes - added

    Discover the Mayan myth of Venus, the morning star plotting revenge on his brother, the sun, and his allies. --Chak Ek, the morning star, rose from the underworld to the surface of the eastern sea and on into the heavens. His brother Kin Ahaw, the sun, fo

  • 09:30 YouTube Couldn't Exist Without Communications & Signal Processing: Crash Course Engineering #42

    YouTube Couldn't Exist Without Communications & Signal Processing: Crash Course Engineering #42

    48 views / 0 likes - added

    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

  • 05:26 How does alcohol make you drunk? - Judy Grisel

    How does alcohol make you drunk? - Judy Grisel

    69 views / 0 likes - added

    Follow alcohol on its journey through the body to find out how it causes drunkenness and why it affects people differently. -- Ethanol: this molecule, made of little more than a few carbon atoms, is responsible for drunkenness. Often simply referred to as

  • 15:40 The Age of Exploration: Crash Course European History #4

    The Age of Exploration: Crash Course European History #4

    53 views / 0 likes - added

    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

  • 13:38 Reformation and Consequences: Crash Course European History #7

    Reformation and Consequences: Crash Course European History #7

    48 views / 0 likes - added

    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

  • 04:54 Why is cotton in everything? - Michael R. Stiff

    Why is cotton in everything? - Michael R. Stiff

    118 views / 1 likes - added

    Dig into the science of how cotton transforms from seed to fiber, and how these cotton fibers are used to make everything from fabrics, to currency, and fishing nets.--Centuries ago, the Inca developed ingenuous suits of armor that could protect warriors

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

    Papers & Essays: Crash Course Study Skills #9

    203 views / 0 likes - added

    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

  • 06:22 The rise of modern populism - Takis S. Pappas

    The rise of modern populism - Takis S. Pappas

    27 views / 0 likes - added

    Dig into the political phenomenon of modern populism, how it rises, and the impact it can have on a democratic country. --In many democratic countries, charismatic leaders vilify political opponents, disparage institutions, and claim to be for the people.

  • 10:39 Silicon, Semiconductors, & Solar Cells: Crash Course Engineering #22

    Silicon, Semiconductors, & Solar Cells: Crash Course Engineering #22

    47 views / 0 likes - added

    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

  • 14:16 Using Wikipedia: Crash Course Navigating Digital Information #5

    Using Wikipedia: Crash Course Navigating Digital Information #5

    45 views / 0 likes - added

    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

  • 05:20 How to grow your own glacier - M Jackson

    How to grow your own glacier - M Jackson

    228 views / 0 likes - added

    Explore the ancient methods of growing glaciers, the homemade bodies of ice used as water sources, and how they can be used to combat climate change. -- In the 13th century, Genghis Khan embarked on a mission to take over Eurasia, swiftly conquering count

  • 05:32 Can steroids save your life? - Anees Bahji

    Can steroids save your life? - Anees Bahji

    37 views / 0 likes - added

    Explore the science of how corticosteroids sneak into our cells to help fight allergic reactions, rashes, asthma, and harmful immune responses.--Steroids: theyre infamous for their use in sports. But theyre also found in inhalers, creams to treat poison i

  • 04:35 Spells, threats, and dragons: The secret messages of Viking runestones - Jesse Byock

    Spells, threats, and dragons: The secret messages of Viking runestones - Jesse Byock

    102 views / 0 likes - added

    Learn the history of Viking runes, the ancient Norse language of symbols that make up an alphabet called the futhark. --With their navigational skills and advanced longships, the Vikings sustained their seafaring for over 300 years. But for all their migh

  • 11:05 Reversibility & Irreversibility: Crash Course Engineering #8

    Reversibility & Irreversibility: Crash Course Engineering #8

    52 views / 0 likes - added

    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

  • 05:11 Hacking bacteria to fight disease - Tal Danino

    Hacking bacteria to fight disease - Tal Danino

    587 views / 0 likes - added

    Explore how synthetic biologists are programming bacteria to fight cancer by manipulating their DNA. --In 1884, an unlucky patient who had a rapidly growing cancer in his neck came down with an unrelated bacterial skin infection. As he recovered from the

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  • 15:34 Commerce, Agriculture, and Slavery: Crash Course European History #8

    Commerce, Agriculture, and Slavery: Crash Course European History #8

    44 views / 0 likes - added

    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'

  • 06:15 Which is better: Soap or hand sanitizer? - Alex Rosenthal and Pall Thordarson

    Which is better: Soap or hand sanitizer? - Alex Rosenthal and Pall Thordarson

    101 views / 0 likes - added

    Dig into the science of how soap breaks down a coronavirus, and the effectiveness of hand sanitizer against a viral outbreak. --Your hands, up close, are anything but smooth. With peaks and valleys, folds and rifts, there are plenty of hiding places for a

  • 10:26 Exercise: Crash Course Study Skills #10

    Exercise: Crash Course Study Skills #10

    378 views / 0 likes - added

    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

  • 09:54 Reading Assignments: Crash Course Study Skills #2

    Reading Assignments: Crash Course Study Skills #2

    181 views / 0 likes - added

    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

  • 05:11 The wild world of carnivorous plants - Kenny Coogan

    The wild world of carnivorous plants - Kenny Coogan

    398 views / 0 likes - added

    Venus fly traps, bladderworts and sundews, oh my! Learn about carnivorous plants and their predatory antics to lure, trap and digest prey. -- Around the world there are more than 600 plant species that supplement a regular diet of sunlight, water and soil

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

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

    48 views / 0 likes - added

    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

  • 10:16 Why Moving People is Complicated: Crash Course Engineering #41

    Why Moving People is Complicated: Crash Course Engineering #41

    51 views / 0 likes - added

    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

  • 20:33 Bathrooms Around the World

    Bathrooms Around the World

    242 views / 0 likes - added

    Thanks to everyone who submitted what their bathrooms look like! To submit your video for our next community projects (2 videos: breakfast and holidays), please check out our share your video page http://www.lifewhereimfrom.com/share-your-video/. CREDITS

  • 08:36 Heat Transfer: Crash Course Engineering #14

    Heat Transfer: Crash Course Engineering #14

    66 views / 0 likes - added

    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

  • 04:38 The myth of Loki and the master builder - Alex Gendler

    The myth of Loki and the master builder - Alex Gendler

    138 views / 0 likes - added

    Dive into the Norse myth of how Loki tricked a stranger into building the great wall of Asgard to keep the realm safe from giants. --Asgard, a realm of wonders, was where the Norse Gods made their home. There Odins great hall of Valhalla towered above the

  • 12:16 Neural Networks: Crash Course Statistics #41

    Neural Networks: Crash Course Statistics #41

    47 views / 0 likes - added

    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

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

    Focus & Concentration: Crash Course Study Skills #5

    443 views / 0 likes - added

    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

  • 14:53 THE SCUTOID: did scientists discover a new shape?

    THE SCUTOID: did scientists discover a new shape?

    224 views / 0 likes - added

    Read the Nature paper for yourself: "Scutoids are a geometrical solution to three-dimensional packing of epithelia" https://www.nature.com/articles/s41467-018-05376-1 Thanks to Laura and Clara for helping me with the video! You can download Laura's model

  • 05:15 The myth of Jason and the Argonauts - Iseult Gillespie

    The myth of Jason and the Argonauts - Iseult Gillespie

    117 views / 0 likes - added

    Download a free audiobook version of "Circe" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-edCheck out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/circe--Hercules, the strong

  • 11:02 Cheese, Catastrophes, & Process Control: Crash Course Engineering #25

    Cheese, Catastrophes, & Process Control: Crash Course Engineering #25

    54 views / 0 likes - added

    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

  • 09:42 Building a Desalination Plant from Scratch: Crash Course Engineering #44

    Building a Desalination Plant from Scratch: Crash Course Engineering #44

    48 views / 0 likes - added

    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

  • 05:34 New A day in the life of an ancient Greek architect - Mark Robinson

    A day in the life of an ancient Greek architect - Mark Robinson

    21 views / 0 likes - added

    Follow Pheidias, the chief builder for the Parthenon, as he supervises the construction of the new temple and faces charges of embezzlement.--The year is 432 BCE. As dawn breaks over Athens, Pheidias is already late for work. He is the chief builder for t

  • 13:00 What Is Statistics: Crash Course Statistics #1

    What Is Statistics: Crash Course Statistics #1

    225 views / 0 likes - added

    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

  • 15:44 The Protestant Reformation: Crash Course European History #6

    The Protestant Reformation: Crash Course European History #6

    48 views / 0 likes - added

    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

  • 09:24 Social Class & Poverty in the US: Crash Course Sociology #24

    Social Class & Poverty in the US: Crash Course Sociology #24

    287 views / 1 likes - added

    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

  • 06:49 Why Age? Should We End Aging Forever?

    Why Age? Should We End Aging Forever?

    345 views / 1 likes - added

    Watch part 2 by CGPGrey: https://www.youtube.com/watch?v=C25qzDhGLx8 If you could decide today... how long do you want to live? Thanks so much for help with the video to https://www.lifespan.io/hero –they are working to cure age-related diseases. Ch

  • 10:27 Why It's So Hard To Make Better Batteries: Crash Course Engineering #32

    Why It's So Hard To Make Better Batteries: Crash Course Engineering #32

    49 views / 0 likes - added

    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

  • 13:30 The 17th Century Crisis: Crash Course European History #11

    The 17th Century Crisis: Crash Course European History #11

    57 views / 0 likes - added

    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

  • 05:16 The myth of the Sampo an infinite source of fortune and greed - Hanna-Ilona Hrmvaara

    The myth of the Sampo an infinite source of fortune and greed - Hanna-Ilona Hrmvaara

    195 views / 0 likes - added

    Download a free audiobook version of "The Lord of the Rings: The Fellowship of the Ring" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-edCheck out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommen

  • 14:09 Medieval Europe: Crash Course European History #1

    Medieval Europe: Crash Course European History #1

    51 views / 0 likes - added

    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

  • 10:39 How Not to Set Your Pizza on Fire: Crash Course Engineering #15

    How Not to Set Your Pizza on Fire: Crash Course Engineering #15

    49 views / 0 likes - added

    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

  • 15:33 Witchcraft: Crash Course European History #10

    Witchcraft: Crash Course European History #10

    68 views / 0 likes - added

    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

  • 05:35 How to Send Notes to Your Neighbor! (DIY Grappling Hook) | D.I.Spy

    How to Send Notes to Your Neighbor! (DIY Grappling Hook) | D.I.Spy

    257 views / 0 likes - added

    Today's assignment from Head Quarters: spies-in-training Izzy and Kaiden must send a secret spy note between their houses without evil agent Bobby finding out. Watch to learn how DIY a grappling hook and make a paper towel roll secret code. → Credits ← Ex

  • Metals & Ceramics: Crash Course Engineering #19

    Metals & Ceramics: Crash Course Engineering #19

    53 views / 0 likes - added

    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

  • 11:02 How Engineering Robots Works: Crash Course Engineering #33

    How Engineering Robots Works: Crash Course Engineering #33

    75 views / 0 likes - added

    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

  • 10:52 Memory: Crash Course Study Skills #3

    Memory: Crash Course Study Skills #3

    267 views / 0 likes - added

    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

  • 12:55 Why We Can't Invent a Perfect Engine: Crash Course Engineering #10

    Why We Can't Invent a Perfect Engine: Crash Course Engineering #10

    73 views / 0 likes - added

    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

  • 09:54 How the Leaning Tower of Pisa Was Saved: Crash Course Engineering #40

    How the Leaning Tower of Pisa Was Saved: Crash Course Engineering #40

    63 views / 0 likes - added

    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

  • 16:34 Expansion and Consequences: Crash Course European History #5

    Expansion and Consequences: Crash Course European History #5

    45 views / 0 likes - added

    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

  • 10:44 Heat Engines, Refrigerators, & Cycles: Crash Course Engineering #11

    Heat Engines, Refrigerators, & Cycles: Crash Course Engineering #11

    61 views / 0 likes - added

    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

  • 09:10 Stress, Strain & Quicksand: Crash Course Engineering #12

    Stress, Strain & Quicksand: Crash Course Engineering #12

    50 views / 0 likes - added

    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

  • 04:20 Why is NASA sending a spacecraft to a metal world? - Linda T. Elkins-Tanton

    Why is NASA sending a spacecraft to a metal world? - Linda T. Elkins-Tanton

    401 views / 0 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-is-nasa-sending-a-spacecraft-to-a-metal-world-linda-t-elkins-tanton In 2026, an unmanned NASA spacecraft is scheduled to arrive at 16 Psyche, a mass

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  • 11:16 Mass Separation: Crash Course Engineering #17

    Mass Separation: Crash Course Engineering #17

    63 views / 0 likes - added

    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

  • 09:00 The History of Chemical Engineering: Crash Course Engineering #5

    The History of Chemical Engineering: Crash Course Engineering #5

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    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

  • 08:51 The Mighty Power of Nanomaterials: Crash Course Engineering #23

    The Mighty Power of Nanomaterials: Crash Course Engineering #23

    68 views / 0 likes - added

    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

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

    How Seawater Sabotages Ships: Crash Course Engineering #43

    45 views / 0 likes - added

    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

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

    Catholic Counter-Reformation: Crash Course European History #9

    57 views / 0 likes - added

    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

  • 09:34 Social Stratification in the US: Crash Course Sociology #23

    Social Stratification in the US: Crash Course Sociology #23

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    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

  • 10:06 The Law of Conservation: Crash Course Engineering #7

    The Law of Conservation: Crash Course Engineering #7

    57 views / 0 likes - added

    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

  • 09:51 Smart Tattoos & Tiny Robots: Crash Course Engineering #37

    Smart Tattoos & Tiny Robots: Crash Course Engineering #37

    64 views / 0 likes - added

    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

  • 10:12 How to Engineer Health - Drug Discovery & Delivery: Crash Course Engineering #36

    How to Engineer Health - Drug Discovery & Delivery: Crash Course Engineering #36

    59 views / 0 likes - added

    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

    Biomaterials: Crash Course Engineering #24

    54 views / 0 likes - added

    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

  • The History of Electrical Engineering: Crash Course Engineering #4

    The History of Electrical Engineering: Crash Course Engineering #4

    49 views / 0 likes - added

    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

  • 10:01 To The Moon & Mars - Aerospace Engineering: Crash Course Engineering #34

    To The Moon & Mars - Aerospace Engineering: Crash Course Engineering #34

    49 views / 0 likes - added

    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

  • 04:38 Did ancient Troy really exist? - Einav Zamir Dembin

    Did ancient Troy really exist? - Einav Zamir Dembin

    277 views / 0 likes - added

    If you enjoy this lesson, we highly recommend reading "Fallen Glory: The Lives and Deaths of History's Greatest Buildings." Discounted e-book versions available here: https://amzn.to/2LL50Zk Check out our book rec page to learn more: http://bit.ly/2mZ9LQS

  • 17:19 Growing Human Neurons | DIY Electrode Array

    Growing Human Neurons | DIY Electrode Array

    97 views / 0 likes - added

    Neurons are amazing little microbes capable of learning and making decisions. Modern AI tries to take inspiration from living neurons, but why settle for the synthetic version? By growing human neurons directly connected to a computer it's possible to mak

  • 08:03 The Ubiquitous Sound That You May Have Never Noticed

    The Ubiquitous Sound That You May Have Never Noticed

    55 views / 0 likes - added

    You can support this channel on Patreon! Link belowYa know, I just love learning about the everyday things in our world that are meant to make life a little more accessible to those with disabilities. This video is about a small (but nearly universal) thi

  • 15:26 Switches are Clicky; Here's Why

    Switches are Clicky; Here's Why

    58 views / 0 likes - added

    You can support this channel on Patreon! Link below Click clack I was taken aback. Wonderin bout those switches of light, yeah.Lets find out what the point is of all that clacking, shall we?Hey! Here are some fun links!Technology Connections on Twitter:ht

  • 21:15 Brown; color is weird

    Brown; color is weird

    79 views / 0 likes - added

    You can support this channel on Patreon! Link below This video discusses the color brown. Seriously.That Aging Wheels playlist:https://www.youtube.com/playlist?list=PLmBDJoIaNRGiK2BgCwz2ALDnNanKBSOgOAnd, of course, the Weird World in RGB for those of you


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