At just eight years old, Jim Enderle witnessed racial violence at a peaceful demonstration organized by associates of the civil rights leader Martin Luther King, Jr. Enderle shares this recollection, along with other incidents when his worldview was challenged by the action of those around him and his own inaction. During this powerful talk, Enderle
Month: February 2023
http://www.ted.com Using wikis and digital fabrication tools, TED Fellow Marcin Jakubowski is open-sourcing the blueprints for 50 farm machines, allowing anyone to build their own tractor or harvester from scratch. And that’s only the first step in a project to write an instruction set for an entire self-sustaining village (starting cost: $10,000).
Why are so many objects in space shaped like discs? New videos DAILY: https://bigth.ink Join Big Think Edge for exclusive video lessons from top thinkers and doers: https://bigth.ink/Edge ———————————————————————————- Spinning discs are everywhere – just look at our solar system, the rings of Saturn, and all the spiral galaxies in the universe. Spinning discs are
America prides itself on being a classless society, where hard work and talent get you ahead, however the United States is marked by a deepening class divide. Influential political thinker Richard Reeves argues that the ‘opportunity-hoarding’ US upper middle classes are making it much harder for everyone else to climb the economic ladder. Watch Richard
This is a very nice question from the Bangladesh Mathematical Olympiad 2022. Thanks to Khan and Siam for the suggestion! @preshtalwalkar this problem was in Bangladesh national math Olympiad 2022. pic.twitter.com/uVhZy8mFwb — Siam Ahmed (@Hello4948505152) December 18, 2022 Subscribe: https://www.youtube.com/user/MindYourDecisions?sub_confirmation=1 Send me suggestions by email (address at end of many videos). I may not reply
Henry Segerman shows us shadows (and dust) from the fourth dimension! More links & stuff in full description below ↓↓↓ Dr Segerman is an assistant professor in the Department of Mathematics at Oklahoma State University. More Numberphile with him: http://bit.ly/Segerman_Videos Polytopes in the fourth dimension on Numberphile: https://youtu.be/2s4TqVAbfz4 Henry’s website: http://www.segerman.org (this includes his book,
Professor Brailsford on why Goto is frowned upon, and yes, we didn’t mention Dijkstra this time. Note – the Japanese characters for Eiichi Goto’s name should read: 後藤英一 Dijkstra’s Algorithm: https://youtu.be/GazC3A4OQTE https://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: https://bit.ly/nottscomputer Computerphile is a
The TRAPPIST-1 exoplanet system has seven earth-like planets and is only 39 lightyears away! I am joined by Professor Adam Burgasser and Dr. Katherine Deck, both astrophysicists on the Nature paper to discuss the discovery of this planetary system. Check out this TRAPPIST video by PBS SpaceTime! https://www.youtube.com/watch?v=h871oE5QkTU Subscribe to Physics Girl: https://www.youtube.com/subscription_center?add_user=physicswoman Join exclusive,
Check out ORIGIN PC’s Powered by AMD Ryzen Threadripper: https://bit.ly/2YwZ3ox Join ORIGIN’s Folding@Home initiative: https://bit.ly/2NnIDs4 My personal channel: http://youtube.com/jakerawr My twitch: http://twitch.tv/jakeroper 00:00 Intro 00:48 The Most Powerful Supercomputer 02:05 Different Kinds of Computers 03:19 Electronic Computers to Human Computers 04:48 Tools: Abacus 05:55 Tools: Napier’s Bones 06:41 Tools: Slide Rule 07:33 The Computer Revolution
What Does A Fox Really Say? – http://bit.ly/1674Pbi BBC Earth Unplugged – http://bit.ly/TSi6zx *** CLICK “SHOW MORE” FOR LINKS *** Puss Moth Caterpillar http://neuro.bcm.edu/eagleman/asp/ Giraffe Weevil http://www.bbc.co.uk/nature/life/Giraffe_weevil Devil’s Flower Mantis http://en.wikipedia.org/wiki/Idolomantis_diabolica Gold Tortoise Beetle http://whatcom.wsu.edu/ag/homehort/pest/GTB.htm Stalk-Eyes Fly http://en.wikipedia.org/wiki/Stalk-eyed_fly Camel Spider (Solifugae) http://en.wikipedia.org/wiki/Solifugae Extatosoma Tiaratum http://en.wikipedia.org/wiki/Extatosoma_tiaratum All video footage provided courtesy of BBC Worldwide ************************************** Vsauce
The filibuster started as an accident. Today it lets the losers rule Congress. Become a Video Lab member! http://bit.ly/video-lab The US Senate is supposed to pass laws. But today, it’s broken. And it’s broken because of something called the filibuster, which has been part of Senate tradition for over 200 years. But the filibuster came
The Forbes Pigment Collection at the Harvard Art Museums is a collection of pigments, binders, and other art materials for researchers to use as standards: so they can tell originals from restorations from forgeries. It’s not open to the public, because it’s a working research library — and because some of the pigments in there
FULL VIDEO : http://www.youtube.com/watch?v=-JOXUNX66Cs » Recomended video | http://www.youtube.com/watch?v=-JOXUN… » Google + | google.com/+coldfustion » Facebook | http://www.facebook.com/coldfustion » My music | http://burnwater.bandcamp.com or Credits: Audio WORSHYPER – Calm & Haunt Deadmau5 ft. Chris James – The Veldt Above and Beyond – You Got To Go (Seven Lions Remix) St Lucia – Elevate Mighty Oaks
My Discord: http://bit.ly/SantoroLounge | My Twitch: http://bit.ly/MattsTwitch Subscribe: http://bit.ly/SubToMattSantoro | Website: http://MatthewSantoro.com Catch up on my latest uploads! https://youtube.com/playlist?list=PLe7K6kDBf74EgSlmhy6Wavip716_-JRPG&playnext=1&index=1 Watch more: Creepy, Scary, and Chilling Topics! https://youtube.com/playlist?list=PLe7K6kDBf74HK4A_zHEB-aQLNEErSikq5&playnext=1&index=2 50 Amazing Facts to Blow Your Mind! https://youtube.com/playlist?list=PLe7K6kDBf74Hp_q_-bs6g5Ulju0Lp__Ss&playnext=1&index=2 Mysterious, Cryptic, and Mystical Topics! https://youtube.com/playlist?list=PLe7K6kDBf74F_S6Jt4inbGZM6kfZ4Y2ar&playnext=1&index=2 Fascinating, Amazing, and Funny Topics! https://youtube.com/playlist?list=PLe7K6kDBf74GbkIhmSYCfb0Ctc1sl8-v5&playnext=1&index=2 All-Time Most Popular Videos! https://youtube.com/playlist?list=PLe7K6kDBf74GcJABXEUfqDHSIlBojZZQO&playnext=1&index=2 Sources: https://pastebin.com/uZfGquSG
Do you know which old job involved looking for valuables in the sewer? Have you ever seen a war tuba? In this episode of The List Show, Erin (@erincmccarthy) breaks down 22 weird jobs from 100 years ago. Bored projectionists and human computers will want to watch. You’ll learn why teenage boys didn’t last as
Frogs named… Mountain Chickens? Join us for a new episode of SciShow where we explain how some animals end up with wacky names. Let’s go! Hosted by: Michael Aranda ———- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ———- Dooblydoo thanks go to the following Patreon supporters — we couldn’t make SciShow without them!
Subscribe! – http://goo.gl/EpIDGd – and please support us on Patreon – https://goo.gl/ZVgLQZ Still wondering why leaves are green and not purple or even black? CHLOROPHYLL! It’s how leaves work. Thanks to ScienceAlert for support – http://www.sciencealert.com MinuteEarth is on facebook – http://facebook.com/minuteearth And twitter – http://twitter.com/MinuteEarth MinuteEarth provides an energetic and entertaining view of trends
How can you prevent pimples? In collaboration with the Gates – read this years letter: http://bit.ly/21ui4kJ SUBSCRIBE for more (it’s free!): http://bit.ly/asapsci GET THE ASAPSCIENCE BOOK: http://asapscience.com/book/ Written by Rachel Salt, Mitchell Moffit and Gregory Brown FOLLOW US! Instagram and Twitter: @whalewatchmeplz and @mitchellmoffit Clickable: http://bit.ly/16F1jeC and http://bit.ly/15J7ube AsapINSTAGRAM: https://instagram.com/asapscience/ Facebook: http://facebook.com/AsapSCIENCE Twitter: http://twitter.com/AsapSCIENCE Tumblr:
James Baldwin was an American novelist and social critic whose essays in “Notes of a Native Son” explored race, sex and class distinctions. — In the 1960s, the FBI amassed almost 2,000 documents in an investigation into one of America’s most celebrated minds. The subject of this inquiry was a writer named James Baldwin, one
Never miss a talk! SUBSCRIBE to the TEDx channel: http://bit.ly/1FAg8hB Josh Kaufman is the author of the #1 international bestseller, ‘The Personal MBA: Master the Art of Business’, as well as the upcoming book ‘The First 20 Hours: Mastering the Toughest Part of Learning Anything.’ Josh specializes in teaching people from all walks of life
What were the most influential ideas of 2015? Watch our 8-minute highlight reel of the Year in Ideas. Explore an interactive playlist of the TED Talks of the year at http://yearinideas.ted.com/2015/
Brain Training to Beat Procrastination with the World’s Easiest Learning Technique Watch the newest video from Big Think: https://bigth.ink/NewVideo Join Big Think Edge for exclusive videos: https://bigth.ink/Edge ———————————————————————————- This 25-minute learning technique is one of the simplest in the world. It’s also one of the most effective, says professor of engineering Barbara Oakley.Learning is not
The square of the hypotenuse of a right triangle is equal to the sum of the squares of its legs. This video shows a geometric proof based on rearranging triangles in a rectangle. If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecisions Connect on social media. I update each site when I
4937775 is a Smith Number – as are 27, 666 and infinite others! More links & stuff in full description below ↓↓↓ Smith Numbers were first discovered in a phone book, explains Professor Ed Copeland from the University of Nottingham. Ed Tweets: https://twitter.com/ProfEdCopeland NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Subscribe: http://bit.ly/Numberphile_Sub
Check out today’s sponsor Fasthosts for all of your UK web hosting needs: https://www.fasthosts.co.uk/computerphile Hello World on the Sega Megadrive/Genesis – its quite an involved process to write Hello World on a machine that doesn’t even have an operating system. Matt Phillips, of Big Evil Corp demostrates the ‘wonky R’ More from Matt: https://bit.ly/C_BEC Thanks
What the heck are spider-web rainbows? What are these rare white rainbows, and how do they form? If you liked this video check out these: Does this look WHITE to you? The Projector Illusion: Special thanks to our Sally Ride level patrons: Alejandro Gutierrez, Brian O’Connell, Darkbit, Dave Butler, David Cichowski, Edi, Fabrice Eap, Henning
TWITTER: http://twitter.com/vsaucethree FACEBOOK: http://facebook.com/vsauce3 ***Click “SHOW MORE” for links*** Vsauce3/Pikachu Desktop Wallpapers Vsauce3 Pikachu Desktop Wallpepers Vsauce3/Pikachu Mobile Wallpapers Vsauce3 Pikachu Mobile Wallpapers NIOSH Study http://www.cdc.gov/niosh/docs/98-131/pdfs/98-131.pdf Electrocytes and Electric Organs http://www.chm.bris.ac.uk/webprojects2001/riis/electriceel3.htm Electric Eel video https://archive.org/details/TheElectricEel Electric Catfish shocking owner Alessandro Volta was a boss http://www.britannica.com/biography/Alessandro-Volta 3.5 Million Volt Stun Gun 100,000 Volt Taser https://www.youtube.com/watch?v=dj3bkoUHk-Y Ohm’s
Jeffrey Lagarias said the Collatz Conjecture is “completely out of reach of present day mathematics.” Can YOU find a number that doesn’t eventually reach 1? #shorts
#shorts FIND OUT HOW TO GET A FREE BOX: https://www.curiositybox.com/ Special thanks to the team at https://cmycubes.com. They’re geniuses 🙂 Transmittance graphs from: https://www.researchgate.net/publication/228851824_Experiments_on_subtractive_color_mixing_with_a_spectrophotometer
How do our eyes scan across a landscape? Contrary to popular belief, they don’t scan smoothly across a scene, they observe a series of images. The eye is capable of panning smoothly however. If something moves in your field of view, your eyes track it smoothly. This has an important effect on our perception of
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