Search Results: "alexa hendricks"

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02:03
Sesame Street: Elmo And Christina Hendricks Discuss Technology

632 views / 1 likes - added 9 years ago

Technology is a tool that makes something easier for you to do. Christina Hendricks loves technology. She uses a laptop computer to read up on bugs; she uses her cell phone to video chat with her Nanna and Pop-pop, and she takes pictures of flowers with h
00:42
Dyslexia and What I Would Tell#MyYoungerSelf| Alexa Losey

495 views / 0 likes - added 4 years ago

Alexa Losey is an actress and social media influencer well known for her style and beauty videos and her work with brands including Macy's, Starbucks and Covergirl. #MyYoungerSelf by Child Mind Institute is an anti-stigma campaign. We are grateful to Alex
09:04
Stand-Up Comedy Using Only Siri, Alexa, Cortana and Google Home | OOO with Brent Rose | WIRED

593 views / 0 likes - added 7 years ago

The age of the digital assistant is upon us and as these AI helpers attempt to interface with humans companies like Apple and Google are trying anything to make their interactions more organic. Brent Rose takes Google Assistant, Amazon Echo, Microsoft Cor
01:14
Sesame Street: Season 45 Sizzle Reel

645 views / 0 likes - added 9 years ago

Zach Galifianakis, Lupita Nyong'o, Christina Hendricks, Jonah Hill, Terry Crews, Mindy Kaling, Ice Cube, Janelle Monae, and so much more this season on Sesame Street. Don't believe us? Just watch this sizzle reel! You're going to learn so much this year!
02:49 Popular
Can You Feel the Love Tonight (From "The Lion King")

771 views / 1 likes - added 4 years ago

Disney's The Lion King is playing in theatres now. Get your tickets here: http://bit.ly/LnKngTix"Can You Feel the Love Tonight" performed by Beyonc, Billy Eichner, Donald Glover, and Seth RogenDownload/stream The Lion King soundtrack: https://disneymusic.
03:15 Popular
Meghan Trainor - NO - Jayden Bartels - Music Video Cover

1,072 views / 3 likes - added 6 years ago

Published on May 10, 2016 → Credits ← Cover by - Jayden Bartels youtube.com/c/jaydenbartelstv Twitter @missjaydenb Instagram @missjaydenb CAST: Lead Girl - Jayden Bartels Dancer Girl #1 - Saryna Garcia Dancer Girl #2 - Scarlette Janeigh Dancer Boy #1 - Co
04:53 Popular
Various Artists - Hakuna Matata (In 28 Languages) (From "The Lion King")

737 views / 2 likes - added 4 years ago

Watch "Hakuna Matata" performed in 28 languages!From Disney's The Lion King playing in theatres now. Get tickets here: http://bit.ly/LnKngTix Watch all The Lion King music videos here: https://disneymusic.co/TheLionKing/VevoDownload/stream The Lion King s
05:35
The real cost of smart speakers

282 views / 0 likes - added 3 years ago

Alexa's recording you. Whats she doing with it?Read Saras article about the privacy settings on your smart speaker: https://www.vox.com/recode/2020/12/9/22160427/amazon-alexa-google-assistant-siri-holidaysIn 2014, Amazon debuted a simple but industry-chan
01:53 Popular
Holographic Assistant (Cortana)

793 views / 1 likes - added 7 years ago

This is a concept Cortana appliance I’ve built. It’s basically what I imagined Microsoft’s version of Alexa or Google Home would be like if they were to use the holographic AI sidekick from the Halo franchise. While still a work in progr
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04:01
Science Explains: Undead genes. Why do some genes turn on after death?

511 views / 0 likes - added 5 years ago

After you die, some things in your body keep on ticking. Genes active after death may be important for transplant success and calculating time of death Read more - https://scim.ag/2x95jai CREDITS ----------------------------- editor/animator/narrator Chri
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Web Search: Crash Course AI #17

331 views / 0 likes - added 4 years ago

Today were going to talk about search engines, which are just AI systems that try to help us find what were looking for. Search engines can be the sort that serve up a list of results, like during a Google or Bing search, using web crawlers, an inverted i
03:52 Popular
Laura Marano - BOOMBOX - Jayden Bartels - Music Video Cover

1,001 views / 3 likes - added 6 years ago

Published on June 30th, 2016 → Credits ← Cover by - Jayden Bartels youtube.com/c/jaydenbartelstv Twitter @missjaydenb Instagram @missjaydenb CAST: Lead Girl - Jayden Bartels Teacher - Sam Bartels Dancer Girl #1 - Kelsey Cook @thekelseycook Dancer Girl #2
13:29
Natural Language Processing: Crash Course AI #7

486 views / 0 likes - added 4 years ago

For more information go to https://curiositystream.com/crashcourse So far in this series, we've mostly focused on how AI can interpret images, but one of the most common ways we interact with computers is through language - we type questions into search e
03:22
How Do Hand Sanitizers Work?

541 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions The labels always read, "Kills 99.99% of Germs!" but does the science of hand sanitizers back it up? Today we're taking a closer look at what this goo is made of, and just how effective it really is against viruses an
03:31
The Virtual Theme Park

503 views / 0 likes - added 6 years ago

http://www.patreon.com/scifri - Please Help Support Our Video Productions! Climbing Kilamanjaro, blasting asteroids, and stopping time to destroy robots are just some of the amazing activities people can experience at VR World NYC. VR World’s Head of Cont
01:38
Sesame Street: Letter A Adventure

610 views / 0 likes - added 9 years ago

Alexa is an astronaut going on a letter A adventure. Come along to see an acrobat swinging from an asteroid, an alien playing the accordion and an alligator eating apricots. What do you see? Subscribe to the Sesame Street Channel here: http://www.youtube.
11:24
Robots Cooking: The Restaurant of the Future

305 views / 0 likes - added 3 years ago

More investments and new food technology are being developed, that will have robots taking over commercial kitchens, and food businesses. This video takes a look at the different ways robots and artificial intelligence are being used to cook for us, today
03:27 Popular
Naomi Scott - Speechless (Full) (From "Aladdin"/Official Video)

1,238 views / 5 likes - added 4 years ago

Disneys #Aladdin is now playing in theaters.#AladdinSoundtrack is available here: http://disneymusic.co/AladdinOST Watch Aladdin music videos : http://disneymusic.co/AladdinOST/VevoGet tickets now:US: http://fandango.com/aladdin UK: http://disney.powio.co
05:43
The Highs and Lows of Tuvan Throat Singing

486 views / 1 likes - added 6 years ago

*** http://www.patreon.com/scifri - Please Help Support Our Video Productions *** The Tuvan throat-singing band Alash Ensemble has toured the world demonstrating both their cultural heritage as well as their vocal mastery. Their incredible ability to sing
03:31 Popular
Naomi Scott - Speechless (From "Aladdin"/Official Lyric Video)

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

Disneys #Aladdin is now playing in theaters.#AladdinSoundtrack is available here: http://disneymusic.co/AladdinOST Watch Aladdin music videos : http://disneymusic.co/AladdinOST/VevoGet tickets now:US: http://fandango.com/aladdin UK: http://disney.powio.co
01:06 Popular
LG's Hub Bots Are Seriously Cute AI Assistants | WIRED

1,279 views / 0 likes - added 7 years ago

LG’s Hub Bots have Alexa’s super AI brains in bodies made for shaking it to your favorite tunes. Still haven’t subscribed to WIRED on YouTube? ►► http://wrd.cm/15fP7B7 CONNECT WITH WIRED Web: http://wired.com Twitter: https://twitter.com/WIRED Facebook: h
05:51
The Delicious Chemistry of Sushi

482 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions Sushi is sublime. Just fresh fish and seasoned rice in its simplest form served one on top of the other or rolled up with some veggies in a seaweed wrapper. What creates the subtle interplay of flavors in your tuna ni
02:54
Thanksgiving Turkey Compilation

446 views / 0 likes - added 5 years ago

Enjoy this compilation of Thanksgiving turkey chemical deliciousness! We’re celebrating the holiday with our favorite food science bits and pieces. More PBS Digital Studios Goodness here! https://www.youtube.com/playlist?list=PL1mtdjDVOoOqKjV9WNrIXRphDssM
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How to Survive the Snow and Ice

548 views / 0 likes - added 5 years ago

From artificial snow to how to deal with a car stuck in slush, here’s our chilly compilation of snow and ice chemistry! Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReactions Twitter! http://twitter.com/ACSReactions Instagram! ht
11:50
Natural Language Processing: Crash Course Computer Science #36

642 views / 0 likes - added 6 years ago

Today we’re going to talk about how computers understand speech and speak themselves. As computers play an increasing role in our daily lives there has been an growing demand for voice user interfaces, but speech is also terribly complicated. Vocabularies
11:58
Ford, Cars, and a New Revolution: Crash Course History of Science #28

448 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
05:54
How To Make The Best French Toast

188 views / 2 likes - added 2 years ago

This iconic dish is all about the details. While french toast might seem simple, looks can be deceiving. To get that perfectly crispy exterior and creamy, silky custard on the inside we spent weeks eating tons of butter, bread, and syrup to discover the b
12:51
Biology Before Darwin: Crash Course History of Science #19

389 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
04:37 Popular
Do Ketogenic Diets Really Work?

870 views / 0 likes - added 6 years ago

This week Reactions tackles the diet fad that never dies--low carb. There's a lot of science that goes on with the keto diet and cutting out carbohydrates. Low-carb diets were a thing in the late 90s and they’re still a thing now. But why does this fad ha
13:15
The New Chemistry: Crash Course History of Science #18

332 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

463 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
03:27 Popular
I Lost My Best Friend Over Drama At The Halloween Dance

788 views / 0 likes - added 5 years ago

By August | Ready to "wear it out loud?” Merch store open, SHOP NOW: http://bit.ly/storybooth-merch | Subscribe: http://bit.ly/sub2storybooth | Record your story @ https://storybooth.com or our iPhone app for a chance to get animated. Comment, like, share
12:13
Biotechnology: Crash Course History of Science #40

400 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

334 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

791 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
12:29
Thermodynamics: Crash Course History of Science #26

498 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

490 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
25 Levels of Soccer Juggling & Freestyle Football Skills: Easy to Complex | WIRED

120 views / 0 likes - added 9 months ago

Freestyle Soccer World Champion Caitlyn Schrepfer demonstrates and explains her freestyle soccer skills in 25 levels of difficulty, from the easiest to most complex.Director: Sean DacanayDirector of Photography: Dominik CzaczykEditor: Jordan CaligExpert:
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The New Anatomy: Crash Course History of Science #15

362 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
12:29
The Industrial Revolution: Crash Course History of Science #21

413 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
13:58
Migration: Crash Course European History #29

399 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

385 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
11:34
Climate Science: Crash Course History of Science #45

319 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
03:53
SHORTIES #4 - Expandable Paper Sculptures

243 views / 0 likes - added 3 years ago

These Shorties Compilations are a new series of videos where I take the full length story I have already done and compile a small compilation of clips from those stories to give you a quick overview of the main story.Hopefully you will enjoy the Shorties
12:51
Life and Longevity: Crash Course History of Science #44

314 views / 0 likes - added 4 years ago

It's time to have a look at the future of human life and how technology could possibly extend longevity. But, within that tech, are questions of ethics that are not always at the top of mind when the tech is being developed. In this episode, Hank sits dow
13:30
Degrees of Freedom and Effect Sizes: Crash Course Statistics #28

401 views / 1 likes - added 4 years ago

Today we're going to talk about degrees of freedom - which are the number of independent pieces of information that make up our models. More degrees of freedom typically mean more concrete results. But something that is statistically significant isn't alw
12:57
Bodies and Dollars: Crash Course History of Science #41

358 views / 0 likes - added 4 years ago

After World War Two, the applications of basic discoveries in biology took offand became big business. Today, well look at the rise of Big Pharma and GMO foods. Well also discuss how life-science technologies fundamentally changed reproduction: its time t
13:10 Popular
Darwin and Natural Selection: Crash Course History of Science #22

779 views / 0 likes - added 4 years ago

"Survival of the Fittest" sounds like a great WWE show but today we're talking about that phrase as it relates to Charles Darwin and Alfred Wallace. Darwin and Wallace are at the heart of understanding evolution and natural selection. Today, Hank talks ab
12:23
Ecology: Crash Course History of Science #38

346 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
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The Atomic Bomb: Crash Course History of Science #33

557 views / 0 likes - added 4 years ago

The story picks up where we left off last time, with Einstein writing the president of his new homeland, the United States, urging him to build a nuclear weapon before Hitler. This is the tale of the most destructive force humans have ever unleashed. The
12:28
The Internet and Computing: Crash Course History of Science #43

313 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
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Einstein's Revolution: Crash Course History of Science #32

338 views / 0 likes - added 4 years ago

There was physics before Einstein in the same way that there was biology before Darwin. Einstein didnt just add some new ideas to physics. And he didnt just add a unifying framework for doing physics, like Newton. Einstein took what people thought was phy
12:47
The Mind/Brain: Crash Course History of Science #30

288 views / 0 likes - added 4 years ago

Scientists in the nineteenth century discovered a lot about life and matter. But exactly what kind of stuff is the human brain? That one wasand istricky.The brain scienceswith experiments and therapies tied to biological theories of the bodyemerged in the
11:48
Marie Curie and Spooky Rays: Crash Course History of Science #31

634 views / 3 likes - added 4 years ago

It's time to talk about one of the most awesome scientists that has ever been awesome: Marie Curie. She figured out ways to get an amazing education despite the limitations of her homeland, discovered some really important answers to the question "what is
11:04
Chi-Square Tests: Crash Course Statistics #29

372 views / 0 likes - added 4 years ago

Today we're going to talk about Chi-Square Tests - which allow us to measure differences in strictly categorical data like hair color, dog breed, or academic degree. We'll cover the three main Chi-Square tests: goodness of fit test, test of independence,
11:54
The Computer and Turing: Crash Course History of Science #36

486 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

746 views / 0 likes - added 4 years ago

So far, the rulers of Europe have been working to consolidate their power and expand their kingdoms, and this is it. The moment they've been working toward: Absolute Monarchy. We're going to learn about how kings and queens became absolute rulers in Europ
05:20
The One Where We Put Stuff in Acid

700 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions Acids are reactive, and even weak acids like vinegar can wow students with their reactivity. But strong acids can really put on a show, dissolving otherwise relatively inert metals. And aqua regia, or royal water, is
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12:34
Genetics and The Modern Synthesis: Crash Course History of Science #35

308 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

366 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
08:38
How Artemis Astronauts Plan to Grow Plants on the Moon | WIRED

180 views / 1 likes - added 1 year ago

As NASA ramps up the Artemis program, growing plants using water and soil from the moon could become a necessity during longer duration stays there. When space biologists recently grew plants in actual moon soil, it was a game changer. WIRED spoke with Sh
12:51
Big Data Problems: Crash Course Statistics #39

423 views / 0 likes - added 4 years ago

There is a lot of excitement around the field of Big Data, but today we want to take a moment to look at some of the problems it creates. From questions of bias and transparency to privacy and security concerns, there is still a lot to be done to manage t
03:05
How Do We Know the Half Life of Uranium & Can You Collect Gold Once It's Dissolved in Acid?

456 views / 0 likes - added 6 years ago

How do you recover gold that’s been dissolved in acid? How do we know the half-life of uranium? We take on your burning chemistry questions. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReactions Twitter! http://twitter.com/ACSRe
11:14
Bayes in Science and Everyday Life: Crash Course Statistics #25

371 views / 0 likes - added 4 years ago

Today we're going to finish up our discussion of Bayesian inference by showing you how we can it be used for continuous data sets and be applied both in science and everyday life. From A/B testing of websites and getting a better understanding of psycholo
04:35 Popular
Why Don’t Antarctic Fish Freeze to Death?

869 views / 0 likes - added 5 years ago

Fish living in the oceans around Antarctica seem like they should freeze to death. But notothenioids have it all figured out, thanks to the antifreeze proteins in their blood! Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReaction
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08:16
Will This Pop a Balloon?

444 views / 1 likes - added 5 years ago

Have you ever popped a balloon with just an orange peel? This chemistry party trick is a classic demo of how solvents work. Learn about the science of why like dissolves like! Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReaction
10:56
Unsupervised Machine Learning: Crash Course Statistics #37

333 views / 0 likes - added 4 years ago

Today we're going to discuss how machine learning can be used to group and label information even if those labels don't exist. We'll explore two types of clustering used in Unsupervised Machine Learning: k-means and Hierarchical clustering, and show how t
11:51
Supervised Machine Learning: Crash Course Statistics #36

391 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
07:46
How Vinyl Records Are Made (feat. Third Man Records) | WIRED

125 views / 0 likes - added 1 year ago

We visit Jack White's Third Man Records vinyl pressing plant in Detroit, Michigan to find out exactly what goes into the creation of a vinyl record; from cutting and pressing to making sure they sound great. Find out more here: https://thirdmanpressing.co
03:05
How to Make the Best Cheap Hot Cocoa Possible

619 views / 1 likes - added 6 years ago

This week, it's the everyday chemistry of hot cocoa powder. From the chocolate mix to the milk, these science-inspired life hacks should help improve your cold weather pick-me-up. Find us on all these places: Subscribe! http://bit.ly/ACSReactions Facebook
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11:44 Popular
DIY Edible School Supplies! **Making The Hardest Supplies Challenge**

4,787 views / 129 likes - added 6 years ago

Watch Edible School Supplies Pranks: http://bit.ly/edible-supplies-2017 Try these DIY back to school edible supplies pranks on your friends! JOIN THE FAMILY ➜ http://bit.ly/wengiefam Join the #ReacticornsFam: http://bit.ly/reacticorns WIN BONUS GIVEAWAY E
13:38
21 Levels of Ballet: Easy to Complex | WIRED

168 views / 0 likes - added 11 months ago

Professional ballerina Joy Womack explains ballet turns in 21 levels of difficulty, from the easiest to most complex. Director: Maya Dangerfield; Katherine WzorekDirector of Photography: Francis BernalEditor: Richard TrammellExpert: Joy WomackCreative Pro
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How To Become An Engineer: Crash Course Engineering #45

354 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
20:58
Levels of Knot Tying: Easy to Complex | WIRED

134 views / 0 likes - added 1 year ago

J.D. Lenzen, the inventor of fusion knotting, explains knot tying in 15 levels of difficulty, from easy to complex. J.D. starts from the very beginning, with overhead, bowline, and square knots, and moves all the way into more advanced knots that are crea
11:23
Intro to Big Data: Crash Course Statistics #38

412 views / 0 likes - added 4 years ago

Today, we're going to begin our discussion of Big Data. Everything from which videos we click (and how long we watch them) on YouTube to our likes on Facebook say a lot about us - and increasingly more and more sophisticated algorithms are being designed
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Why a Diving Robot Can Replace Scuba Divers | WIRED

184 views / 0 likes - added 1 year ago

A robotic diving system that looks like a Transformer? OceanOneK can go to depths that would kill a human diver. It can also handle delicate objects without breaking them. Using a haptic system, humans can use OceanOneK as an avatar, allowing humans to di
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How YouTube knows what you should watch: Crash Course AI #15

452 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
10:19
This Woman Deconstructs 100-Year-Old Books To Restore Them | Obsessed | WIRED

105 views / 0 likes - added 7 months ago

Author, educator and book restorer Sophia Bogle has nerves of steel: one slip of the hand and a century-old first edition book could be ruined. Come inside her workshop as she breaks down the amazing deconstruction, revitalization, and reassembly that goe
09:22
English Teacher Grades Homework By ChatGPT | WIRED

176 views / 0 likes - added 1 year ago

Andrew Marzoni, a high school English teacher, grades homework created by the artificial intelligence chatbot, ChatGPT. Andrew provides a variety of assignments for ChatGPT, including writing a limerick, a Shakespearean sonnet about Taco Bell, and a five-
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How This Guy Became The Best Rock Skipper On The Planet | Obsessed | WIRED

94 views / 0 likes - added 11 months ago

Kurt Steiner is record holding champion stone skipperand a master of the physics that underpin the sport. A labor of love that's evolved into a world-class passion, see where Kurt harvests his preferred rocks, the qualities he seeks in them, and each fact
11:46
What Is Artificial Intelligence? Crash Course AI #1

290 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

321 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
04:53
Fact or Fiction: Uncooked Rice is Bad for Birds

584 views / 0 likes - added 5 years ago

You may have heard that throwing rice at weddings will hurt wild birds. But we’re here to say that myth isn’t backed up by the science -- and we can prove it with chemistry. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReactions
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The Man Behind Hollywood's Monsters | Obsessed | WIRED

143 views / 0 likes - added 1 year ago

Jordu Schell is a master of monster masks. He designs creatures for movies, television and video games, and has worked on countless projects that you've most certainly heard of. Jordu takes us around his studio as he explains his entire, legendary, mask m
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Cats Vs Dogs? Let's make an AI to settle this: Crash Course Ai #19

345 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

275 views / 0 likes - added 4 years ago

What if you were on a high floor of a skyscraper and the building started swaying? Today well explore statics and dynamics, and what they mean for the structures we design. We look at the idea of static equilibrium, forces, and torques, and how free body
14:32
Rocket Scientists Answer Questions From Twitter | Tech Support | WIRED

115 views / 0 likes - added 1 year ago

It's not rocket science! Well, actually, it is! Rocket scientists Tiera and Myron Fletcher answer the internet's burning questions about rocket science, rocket ships and space travel. What's harder, rocket science or brain surgery? Will humanity ever leav
04:08
“Cook” an Egg with No Heat!? (Egg-cellent Weird Science Experiments)

651 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions 0:24 - "Cook" an Egg without Heat 1:53 - Make an Egg Bounce 2:48 - Green Eggs and Ham Everyone loves the incredible edible egg, but what about a green one? Today we're coming at you with three kitchen egg demos that w
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Neural Networks and Deep Learning: Crash Course AI #3

320 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

344 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

412 views / 0 likes - added 4 years ago

The European Renaissance may have started in Florence, but it pretty quickly moved out of Italy and spread the art, architecture, literature, and humanism across Europe to places like France, Spain, England, and the Low Countries.SOURCES:Hunt, Lynn et al.
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BOY REJECTED In FRONT OF SCHOOL | Dhar Mann

601 views / 0 likes - added 1 year ago

NEW APP UPDATE! Early Access to videos & more, get here: https://www.dharmann.com/app-update/ Watch my favorite videos: https://www.youtube.com/playlist?list=PLnBCOhf_VBTVGGC7OryYH7wO87PCostB3 Don't forget to SUBSCRIBE to our channel by clicking here http
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Hydrangeas and the Science of Do-Overs

401 views / 0 likes - added 5 years ago

We tried to use chemistry to change hydrangea flowers from red to blue. It didn’t work the first time, so we tried again. Science: It’s all about the do-over. Because experiments aren’t just for fun -- the whole point is to learn something about the world
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The Race to Invent the Periodic Table

1,180 views / 0 likes - added 6 years ago

This week on Reactions, we look at the chemistry of gallium, the science behind the holes in the periodic table, and the history of how the elements fell into place. Some chemists might see the periodic table of elements as a holy testament to the power o
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06:59
How Milk Becomes Cheese

574 views / 2 likes - added 6 years ago

Ever wonder how milk becomes cheese? We asked about the science and the microbes that go into this tasty food. This week on Reactions, we visit St. James Cheese Company in New Orleans to learn all about the chemistry of your favorite dairy product. Subscr
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Robotics Professor Answers Robot Questions From Twitter | Tech Support | WIRED

107 views / 0 likes - added 1 year ago

Robotics professor Henny Admoni answers the internet's burning questions about robots! How do you program a personality? Can robots pick up a single M&M? Why do we keep making humanoid robots? What is Elon Musk's goal for the Tesla Optimus robot? Will rob
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Training Neural Networks: Crash Course AI #4

313 views / 0 likes - added 4 years ago

Today were going to talk about how neurons in a neural network learn by getting their math adjusted, called backpropagation, and how we can optimize networks by finding the best combinations of weights to minimize error. Then well send John Green Bot into
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The Enlightenment: Crash Course European History #18

846 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
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Humans and AI working together: Crash Course AI #14

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

360 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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Chemtrails

441 views / 0 likes - added 6 years ago

This week Reactions is taking science to the skies and checking out the chemistry behind chemtrails, or more accurately, contrails. It’s easy to look at the white trail behind a jet aircraft and imagine all manner of chemicals raining down from above. How
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Civilian Tries on NASA Spacesuit For the First Time | WIRED

169 views / 0 likes - added 1 year ago

How does WIRED's Brent Rose feel about being the first person outside of the space program to try on a pressurized space suit? "The geekiest kid, in the nerdiest candy store in the universe!" Watch as Brent tries on and shows off the newest in space suit
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Symbolic AI: Crash Course AI #10

352 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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How This Guy Makes the World's Most Inventive Clocks | Obsessed | WIRED

113 views / 0 likes - added 1 year ago

Every one of Rick Stanley's clocks is an inventive journey. He makes clocks using everything from bottles to bicycles; each one of them completely unique and accurate. "Even when I'm on vacation I think of different clocks to make," says Rick, talking abo
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Better Pancakes Through Chemistry

495 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions Everyone seems to swear by a different pancake recipe. How can you griddle up the perfect pancakes for your Saturday morning breakfast? Find us on all these places: Subscribe! http://bit.ly/ACSReactions Facebook! http
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04:54
What Makes Kimchi So Delicious?

426 views / 0 likes - added 5 years ago

It’s the fermented food most requested by you, the viewers! What makes kimchi sour and spicy, yet also surprisingly rich and buttery? This week on Reactions, it’s the chemistry of kimchi. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com
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How This Guy Mastered the Slinky | Obsessed | WIRED

162 views / 0 likes - added 1 year ago

Did you play with slinkys when you were younger? Josh Jacobs has taken a childhood toy and turned it into a visually stunning art form. Slinky manipulation is a fairly new practice, starting around 2010. Josh got into "slinking" eight years ago when watch
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Let's make an AI that destroys video games: Crash Course AI #13

306 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
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Italian and German Unification: Crash Course European History #27

580 views / 0 likes - added 4 years ago

So, we haven't talked much about Italy and Germany so far in Crash Course Euro, and that's because prior to the mid-19th century, those two nation-states weren't really a thing. Today we'll look at how Italy and Germany pulled it together in the second ha
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How This Chalk Artist Creates Illusions on Pavement | Obsessed | WIRED

156 views / 0 likes - added 1 year ago

"Everything we think is real is, in some way, an illusion." Former NASA illustrator Kurt Wenner makes incredible, brain-busting chalk illusions. His works start with diligent planning, beginning with pencil and paper. Kurt even prototypes by using an iPho
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Algorithmic Bias and Fairness: Crash Course AI #18

283 views / 1 likes - added 4 years ago

Check out my collab with "Above the Noise" about Deepfakes: https://www.youtube.com/watch?v=Ro8b69VeL9UToday, we're going to talk about five common types of algorithmic bias we should pay attention to: data that reflects existing biases, unbalanced classe
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"Sit Still, Look Pretty" by Daya - Official Cover by Jordyn Jones

1,072 views / 6 likes - added 6 years ago

Jordyn Jones' Official Cover for Daya's song "Sit Still Look Pretty" Watch Jordyn's dance rehearsal: http://bit.ly/2gdkB0s → Credits ← FOLLOW JORDYN: YouTube: https://www.youtube.com/user/Stepsgirl Twitter: https://twitter.com/jjjordynjones Facebook:https
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Mathematician Explains Infinity in 5 Levels of Difficulty | WIRED

140 views / 0 likes - added 1 year ago

While the concept of infinity may seem mysterious, mathematicians have developed processes to reason the strange properties of infinity. Mathematician Emily Riehl has been challenged to explain infinity to 5 different people; a child, a teen, a college st
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The Roads to World War I: Crash Course European History #32

385 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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How Much Tea Would it Take to Turn the Boston Harbor into Tea?

898 views / 1 likes - added 5 years ago

We wanted to know if enough tea was dumped in Boston harbor during the Boston tea party to turn the entire thing to tea. So we did some math. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReactions Twitter! http://twitter.com/ACSR
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Scientific Revolution: Crash Course European History #12

1,063 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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Mass-Producing Ice Cream with Food Engineering: Crash Course Engineering #39

336 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,
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How Do Hydrangeas Change Colors?

599 views / 0 likes - added 5 years ago

Learn more about CuriosityStream at https://curiositystream.com/reactions (CODE: reactions) Savvy gardeners know that they can fine-tune they color of their hydrangea blooms by just changing the soil pH. But what does pH have to do with color? Subscribe!
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Florence and the Renaissance: Crash Course European History #2

565 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
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Reinforcement Learning: Crash Course AI#9

357 views / 1 likes - added 4 years ago

Reinforcement learning is particularly useful in situations where we want to train AIs to have certain skills we dont fully understand ourselves. Unlike some of the techniques weve discussed so far, reinforcement learning generally only looks at how an AI
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Supervised Learning: Crash Course AI #2

316 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
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Computer Engineering & the End of Moore's Law: Crash Course Engineering #35

1,188 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
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Reformation and Consequences: Crash Course European History #7

482 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
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Using Wikipedia: Crash Course Navigating Digital Information #5

297 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
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The Only Video You'll Ever Need to Watch About Gluten

794 views / 0 likes - added 6 years ago

Make Your Own Bread: https://www.tasteofhome.com/recipes/swirled-cinnamon-raisin-bread Don't miss out--subscribe! http://bit.ly/ACSReactions Bakers on TV are always talking about whether their bakes have enough gluten. But the masses on Twitter act like i
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The Age of Exploration: Crash Course European History #4

530 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
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YouTube Couldn't Exist Without Communications & Signal Processing: Crash Course Engineering #42

1,052 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
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AI Playing Games: Crash Course AI #12

421 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
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Silicon, Semiconductors, & Solar Cells: Crash Course Engineering #22

303 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
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The French Revolution: Crash Course European History #21

528 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
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Why Does Humidity Feel Gross?

450 views / 0 likes - added 5 years ago

Relative humidity, dew point, heat index... trying to figure out what to wear from all these buzzy weather words is enough to make you sweat! But fear not, today we're giving you a break down on how to use the local weather report to your advantage, and h
11:53
How Hard Candy Flavors Are Made | WIRED

127 views / 1 likes - added 5 months ago

Candy maker Greg Cohen and the staff from Lofty Pursuits show the process of concocting new candy flavors by making a full meal out of round hardy candy. Using century’s old techniques, watch and see how Greg and the staff make a candy feast, includ
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How Does Glassblowing Work?

411 views / 0 likes - added 6 years ago

Check out McFadden's Art Glass: http://mcfaddenartglass.com/ Subscribe! http://bit.ly/ACSReactions If you’ve ever tapped a screen to send a tweet, opted for the bottled soda because it tastes better, or drooled over art glass in a gallery, then your life
13:11
How Pixars Toy Story 4 Was Animated | Movies Insider

695 views / 0 likes - added 4 years ago

The fourth installment in the beloved Toy Story franchise achieves a level of detail and realism unseen in any Disney/Pixar project yet. See how it all came to life at the legendary Pixar studios, step by step: beginning with the story and artwork stage,
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Expansion and Resistance: Crash Course European History #28

528 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
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Make an AI sound like a YouTuber (LAB): Crash Course AI #8

321 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
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Can You Take Expired Medications?

443 views / 0 likes - added 5 years ago

Description: Every medicine you buy has an expiration date printed on it somewhere, but does it actually go bad? This week on Reactions, we explain the chemistry of drug expiration dates. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com
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Commerce, Agriculture, and Slavery: Crash Course European History #8

412 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'
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Napoleon Bonaparte: Crash Course European History #22

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

We try not to get into too much great man history here at Crash Course, but we have to admit: Napoleon Bonaparte is a pretty big deal. Join us as we track the rise, further rise, fall, rise, fall, mortal fall, and posthumous rise of Napoleon. This guy cha
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Harvard Professor Explains Algorithms in 5 Levels of Difficulty | WIRED

104 views / 0 likes - added 7 months ago

From the physical world to the virtual world, algorithms are seemingly everywhere. David J. Malan, Professor of Computer Science at Harvard University, has been challenged to explain the science of algorithms to 5 different people; a child, a teen, a coll
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Burning Ice from the Ocean Floor

506 views / 0 likes - added 6 years ago

This ice burns because it’s actually methane trapped in water. This week on Reactions, we talk about the chemistry of methane hydrates as a source of energy and a climate change threat. Learn more about our Earth Day celebration! www.acs.org/ccew Subscrib
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11 Levels of Prosthetic Makeup: Easy to Complex | WIRED

186 views / 0 likes - added 1 year ago

Professional prosthetic makeup artist Meg Wilbur explains special effects makeup in 11 levels of difficulty, from easy to complex. Special effects makeup is a really broad category, so Meg defines complexity as increasingly elaborate flourishes, texture a
05:19
Does Shaving Cream Do Anything?

414 views / 0 likes - added 5 years ago

Whether you rock sideburns or baby-smooth legs, all shavers share one concern –– the threat of razor-sharp metal. But luckily, shaving cream packs the right chemistry to keep us looking good while protecting our sensitive skin. What is this fantastic foam
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Lets make a movie recommendation system: Crash Course AI #16

320 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
04:47
How Does Low-Dose Aspirin Work?

632 views / 0 likes - added 5 years ago

You ever see those commercials suggesting people take a tiny dose of aspirin every day? It’s an amount so small it doesn’t really work for pain relief, yet taking low-dose aspirin is fairly common, among those at risk for heart attacks or stroke. Here’s w
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English Civil War: Crash Course European History #14

449 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
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Why Tardigrades are Some of the Most Hardcore Critters on the Planet

558 views / 0 likes - added 5 years ago

It can survive drying out, extreme heat and cold, and even exposure to vacuum. The humble tardigrade can be found practically anywhere there’s enough water for it to live, and quite a few places there isn’t. This weird, ugly-cute little guy’s secret comes
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Neural Networks: Crash Course Statistics #41

954 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
04:24 Popular
The Spacefaring Power of Pee

770 views / 0 likes - added 6 years ago

Subscribe! http://bit.ly/ACSReactions Getting to Mars is on our minds back here on Earth, and when it comes to space travel, recycling is a space traveler's best friend - pee included! Today we're looking at a brilliant new potential use for pee in space,
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Reversibility & Irreversibility: Crash Course Engineering #8

312 views / 0 likes - added 4 years ago

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

462 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
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Why Moving People is Complicated: Crash Course Engineering #41

302 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
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Changing the Blueprints of Life - Genetic Engineering: Crash Course Engineering #38

338 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
02:33
Nose Blindness, Mouthwash, and Hand Sanitizer--Your Questions Answered

666 views / 0 likes - added 6 years ago

How can your nose go blind to certain smells? Why don’t hand sanitizers dissolve your skin cells? What’s the science behind mouthwash? Shoutout to Pal Dali, Hojjat Abdollahi and The Last Targaryen for sending us these awesome chemistry questions. Got more
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Modern Life: Crash Course European History #30

350 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
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Why It's So Hard To Make Better Batteries: Crash Course Engineering #32

344 views / 0 likes - added 4 years ago

There are batteries powering so many parts of our everyday lives, so today were going to talk about how they work and how we can make them better. Well explain how they provide power by discharging ions between a cathode and an anode, and how reversing th
08:36
Heat Transfer: Crash Course Engineering #14

377 views / 0 likes - added 4 years ago

Today were talking about heat transfer and the different mechanisms behind it. Well explore conduction, the thermal conductivity of materials, convection, boundary layers, and radiation. Crash Course Engineering is produced in association with PBS Digital
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The Industrial Revolution: Crash Course European History #24

588 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

472 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
08:16 Popular
Surströmming: The Secrets of this Stinky Swedish Fish

716 views / 0 likes - added 5 years ago

Surstromming, Swedish for sour herring, is legendary for its powerful stink. But it's all a result of the chemistry of preserving food. This week on Reactions, we learn about the world's smelliest food with help from the people who know it best. Find us o
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Building a Desalination Plant from Scratch: Crash Course Engineering #44

320 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
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Cheese, Catastrophes, & Process Control: Crash Course Engineering #25

360 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
04:55 Popular
Can Plastic Be Composted?

779 views / 0 likes - added 5 years ago

Thanks to the demands of eco-conscious consumers, biodegradable and compostable plastics are cropping up everywhere. Are these green plastics the solution to our throwaway lifestyle? Well -- it’s complicated. Subscribe! http://bit.ly/ACSReactions Facebook
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03:34
How Do Airbags Work?

644 views / 0 likes - added 6 years ago

Check to see if your car is part of the Takata airbag recall: https://www.nhtsa.gov/recalls If you’re in a car accident, you want to be sure your airbags protect you. And they work because of chemistry, with some physics thrown in. This week on Reactions,
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The Future of Artificial Intelligence: Crash Course AI #20

545 views / 0 likes - added 4 years ago

Today, in our final episode of Crash Course AI, we're going to look towards the future. We've spent much of this series explaining how and why we don't have the Artificial General Intelligence (or AGI) that we see in the movies like Bladerunner, Her, or E
03:16 Popular
Is White Chocolate Actually Chocolate?

1,399 views / 5 likes - added 5 years ago

Today we’re showing our love for the redheaded stepchild of the chocolate world, white chocolate. It may lack the rich flavor of milk chocolate and the glossy brown color of dark chocolate. Many people even argue it’s not really chocolate at all. What is
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14:06
Reform and Revolution 1815-1848: Crash Course European History #25

496 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

380 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
05:19
What is Natto?

450 views / 0 likes - added 5 years ago

It’s a much-loved, protein-packed Japanese food standby. It’s also made of slimy, stinky soybeans. By popular request, this week Reactions is all about the chemistry of natto. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReaction
04:45
The Ultimate Donut Battle: Cake vs. Yeast

491 views / 0 likes - added 6 years ago

There’s nothing weirder than biting into a cake donut when you’re expecting the texture of a yeast donut. It’s all fried dough, right? This week on Reactions, we talk about how chemistry makes these two foods so different. Subscribe! http://bit.ly/ACSReac
15:33
Witchcraft: Crash Course European History #10

428 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
05:53 Popular
Are We Breathing Caesar's Last Breath

838 views / 0 likes - added 5 years ago

Submit your vote for America’s favorite novel! https://to.pbs.org/2Jes2X5 Are you breathing air molecules that were once exhaled by Caesar, Joan of Arc, or Madame Curie? And why did Albert Einstein try to break into the refrigerator business? We talked to
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How Air Conditioning Works

732 views / 0 likes - added 5 years ago

To beat the summer heat, we turn to air conditioning. But that sweet, cool relief isn’t magic: it’s the science of heat transfer and the chemistry of refrigerants. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReaction
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10:39
How Not to Set Your Pizza on Fire: Crash Course Engineering #15

314 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
05:29
Do Astronauts Need Sunscreen?

454 views / 0 likes - added 5 years ago

How do astronauts survive the deadly radiation of deep space? NASA is still figuring out how to protect astronauts from cosmic radiation -- like plastic shielding and magnetic deflectors. Learn more about National Chemistry Week here! https://www.acs.org/
04:53 Popular
Does Melatonin Do Anything?

761 views / 0 likes - added 6 years ago

Check out Hot Mess here: https://www.youtube.com/HotMessPBS Atlantic article: https://www.theatlantic.com/health/archive/2017/04/food-as-medicine/521955/ Melatonin is a supplement that’s supposed to help you sleep. But does it work? What’s the chemistry o
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Enlightened Monarchs: Crash Course European History #19

658 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
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Medieval Europe: Crash Course European History #1

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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
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How is Leather Made?

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How does animal hide become leather? We still don’t fully understand the chemistry of tanning, but the basic steps are thousands of years old. In this week’s episode of Reactions, learn how leather is made. More PBS Digital Studios Goodness here! https://
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Yellowstone Steaming Acid Pools of Death

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TAKE THE PBS DIGITAL SURVEY! https://to.pbs.org/2018YTSurvey Yellowstone National Park’s hot springs have incredible geochemistry thanks to being part of an actual volcano. But why are they so different, and why are some more dangerous than others?
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What's That After-Rain Smell Made Of?

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There’s a sweet smell in the air after it rains, whether it’s a spring shower or a summer storm. This week on Reactions, we explain the chemistry of petrichor, the smell of rain. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReact
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Klaxons; What makes them sound like that?

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You can support this channel on Patreon! Link below ahOOOOOga! All aboard the HONK HONK express! We're gonna learn a few things about horns and then probably there will be bloopers or something.Did you know that there's an assortment of links just below t
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Metals & Ceramics: Crash Course Engineering #19

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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
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Why Flamingos Are Pink and so STRONG

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Flamingos may be synonymous with tacky lawn ornaments, but we’re here to tell you they’re one of the most hardcore animals on the planet. They survive where almost nothing else can. And they’re pink too. Subscribe! http://bit.ly/ACSReactions Facebook! htt
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Eastern Europe Consolidates: Crash Course European History #16

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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
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Why Can’t You Buy *Fresh* Olives?

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Olives are a strange food: a fruit that you can’t buy fresh, just swimming in salty brine. Why? They contain a bitter chemical called oleuropein. This week on Reactions, we’re talking about the science of how we can eat this unique stone fruit. Subscribe!
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The 17th Century Crisis: Crash Course European History #11

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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
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What If We Detonated All Nuclear Bombs at Once?

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Sources: https://sites.google.com/view/sourcesallthebombs/ What happens if make a huge pile from all 15,000 nuclear bombs and pull the trigger? And what happens if we make an even bigger pile? Support us on Patreon so we can make more videos (and get cool
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World War I Battlefields: Crash Course European History #33

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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
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What Are Century Eggs?

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These green and black preserved eggs don’t really look like food, but the chemistry of fermentation turns pidan, or century eggs, into a Chinese comfort food. In this week’s Reactions episode, we’re talking about the science of these unusual treats. Subsc
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18th Century Warfare: Crash Course European History #20

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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
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Expansion and Consequences: Crash Course European History #5

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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
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How to make an AI read your handwriting (LAB) : Crash Course Ai #5

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

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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
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WWI's Civilians, the Homefront, and an Uneasy Peace: Crash Course European History #34

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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
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How Engineering Robots Works: Crash Course Engineering #33

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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
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How Seashells Are Made

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Learn more about CuriosityStream at https://curiositystream.com/reactions (CODE: reactions) If you know that seashells are made of basically the same stuff as chalk, you might have wondered why chalk is crumbly but seashells are super tough. This week on
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How Do You Catch Fruit Flies?

474 views / 1 likes - added 5 years ago

You catch more flies with honey than with vinegar--or do you? This week on Reactions, we explain the chemistry behind why fruit flies love vinegar so much, some entomologists call them “vinegar flies.” Check out Storycast “Tacos of Texas,” here!: https://
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Mass Separation: Crash Course Engineering #17

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

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Weve introduced the 0th and 1st laws of thermodynamics, so now its time to move on to the second law and how we came to understand it. Well explain the differences between the first and second law, and well talk about the Carnot cycle and why we can never
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We Interviewed Pepper — The Humanoid Robot

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Pepper is a humanoid robot companion designed be sort of a kiosk at businesses like shopping malls, hospitals, and doctors' offices. Pepper is also able to track eye contact and express emotion. We spent a little time with Pepper and got its thoughts on h
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How Seawater Sabotages Ships: Crash Course Engineering #43

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

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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
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Cow Burps Are Warming the Planet

558 views / 1 likes - added 6 years ago

Learn more about CuriosityStream at https://curiositystream.com/reactions (CODE: reactions) Cows burp up a lot of methane thanks to the chemistry of their digestion. And since methane is a greenhouse gas, our beef and dairy have huge climate change conseq

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