Hosted by: Hank Green (he/him) Lucas Principe: Writer Heather Hess: Fact Checker Amy Peterson: Script Editor Madison Lynn: Videographer Faith Schmidt: Script Supervisor Stefan Chin: Editor Savannah Geary: Associate Producer Daniel Comiskey: Editorial Director Sarah Suta: Producer Caitlin Hofmeister: Executive Producer Hank Green: Executive Producer Sources: https://www.science.org/doi/full/10.1126/sciadv.add1602 https://www.degruyter.com/document/doi/10.2138/am-2017-5993CCBY/html https://www.science.org/content/article/why-modern-mortar-crumbles-roman-concrete-lasts-millennia https://www.science.org/content/article/scientists-may-have-found-magic-ingredient-behind-ancient-romes-self-healing-concrete?utm_source=sfmc&utm_medium=email&utm_campaign=DailyLatestNews&utm_content=alert&et_rid=891352542&et_cid=4552585 Images: https://www.gettyimages.com/detail/photo/roman-amphitheater-ii-royalty-free-image/90249446 https://www.gettyimages.com/detail/video/highway-bridge-in-upper-austrian-alps-stock-footage/1368465527?phrase=old%20concrete%20overpass&adppopup=true https://www.gettyimages.com/detail/video/ethereal-ray-of-light-from-dome-inside-top-of-pantheon-stock-footage/1432606852?phrase=pantheon%20dome&adppopup=true https://www.gettyimages.com/detail/video/the-ancient-roman-port-between-gaeta-and-minturno-seen-stock-footage/1278725887?phrase=ancient%20roman%20dock&adppopup=true
Month: March 2023
Video in collaboration with Bill and Melinda Gates! Check out their Annual Letter here: http://b-gat.es/2lhhtmJ SUBSCRIBE! http://bit.ly/asapsci GET THE ASAPSCIENCE BOOK: http://asapscience.com/book/ Created by: Mitchell Moffit and Gregory Brown Written by: Greg Brown, Rachel Salt and Mitchell Moffit Illustrated: by: Max Simmons Edited by: Sel Ghebrehiwot FOLLOW US! Instagram and Twitter: @whalewatchmeplz and @mitchellmoffit Clickable:
Dig into the unique engineering of New York City’s Citicorp Center tower, and the design flaw that threatened to topple it. — In 1978, Diane Hartley was writing her undergraduate architecture thesis when she made a shocking discovery. After weeks of poring over the Citicorp Center’s building plans, she’d stumbled on an oversight that threatened
Watch the full talk here: https://youtu.be/RgtoZ2ue05w #shorts #tedx #ted #georgetakei #startrek #patriotism #race
Visit http://TED.com to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. Want to learn a new language but feel daunted or unsure where to begin? You don’t need some special talent or a “language gene,” says Lýdia Machová. In an upbeat, inspiring talk, she reveals the secrets of polyglots
Why does time move in only one direction? This still-unsolved question was posed in 1927 by the British astrophysicist Arthur Eddington, and the concept came to be known as the arrow of time. As theoretical physicist @SabineHossenfelder explains, there’s a longstanding mystery in the foundations of physics: If we look at the laws for microscopic
Author Tobias Jones discusses the meaning of community and how it plays an important part in the matrix of social solutions. Watch the full replay: https://youtu.be/ag-XhfyGilE Watch Tobias Jones in our latest RSA Spotlight – the edits which take you straight to the heart of the event! Watch the full replay: https://youtu.be/ag-XhfyGilE Missed our last
Pi is the ratio of a circle’s circumference to its diameter. But how do we know the ratio is the same for every circle? The Elements of Plane Geometry By Charles Austin Hobbs · 1896 https://www.google.com/books/edition/The_Elements_of_Plane_Geometry/M8oUAQAAMAAJ?hl=en&gbpv=1&pg=PA215&printsec=frontcover 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 but I
Professor Laurence Eaves on Pythagorean Primes – and why 5, 13 and 137 are three of his favourites!? More links & stuff in full description below ↓↓↓ More on prime numbers: http://bit.ly/primevids Fine structure constant on sixtysymbols at http://www.youtube.com/watch?v=WlSLIW0gZtk 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 Videos by Brady Haran
Most of us deal with data compression on a daily basis, but what is it and how does it work? Professor David Brailsford introduces compression with regards to text and pictures. http://www.facebook.com/computerphile Tweets by computer_phile This video was filmed and edited by Sean Riley. (some questions from Brady, in case you are confused!) Computer Science
This video is about the difference between complexity and entropy, and how complex things like life can arise from disorder. Thanks to Google Making and Science for supporting this series, and to Sean Carroll for collaborating on it! His book can be found here: http://www.penguinrandomhouse.com/books/316646/the-big-picture-by-sean-carroll/ Playlist of the full video series: https://www.youtube.com/playlist?list=PLoaVOjvkzQtyZF-2VpJrxPz7bxK_p1Dd2 Link to Patreon
Watch the Making Of: https://youtu.be/Z0_Ut4ItGio Watch Derek’s Video: https://youtu.be/QRt7LjqJ45k Watch Ian’s Video: https://youtu.be/XtUOK7RFmqU (Click “Show More” for references) Shoeless and all alone in a half-built skyscraper, Jake (me) fights his way through a well dressed bad guy while exploring if you could survive jumping off the roof of a skyscraper with only a fire hose
How do you measure big forces accurately? By calibrating your force transducer on the world’s biggest weight – 1,000,000 pounds of force. This machine ensures planes don’t break apart, jets provide required thrust, and rockets make it to their destination. Thanks to the people at NIST for showing me around: Rick Seifarth and Ben Stein.
One photo changed the trajectory of my life. For $50 off select Casper mattresses, go to http://www.casper.com/smarter and use the promo code “smarter” (Terms and Conditions apply.) Click here if you’re interested in subscribing: http://bit.ly/ ⇊ Click below for more links! ⇊ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ GET SMARTER SECTION Dr. Harold Edgerton https://en.wikipedia.org/wiki/Harold_Eugene_Edgerton MIT Edgerton Center: https://edgerton.mit.edu/high-speed-imaging Electronic
One man cracked his knuckles in one hand for 60 years and not the other. Watch the video to see what he found out. Subscribe and turn on notifications 🔔 so you don’t miss any videos: http://goo.gl/0bsAjO There’s a long-held myth that cracking your knuckles can damage your hands. The sound definitely might make people
In this video, we’ll take a look at China’s recent surveillance state. I’m also trying out an external video editor for this project, so let me know what you think! Book order link: https://www.amazon.com/Cold-Fusion-Presents-Intelligence-Transformed/dp/1633537501 Dark side of social media: https://www.youtube.com/watch?v=m6JTaRNTN0c Subscribe here: https://goo.gl/9FS8uF Become a Patron!: https://www.patreon.com/ColdFusion_TV CF Bitcoin address: 13SjyCXPB9o3iN4LitYQ2wYKeqYTShPub8 Hi, welcome to ColdFusion
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/9rK7y9VE
A weekly show where we endeavor to answer one of your big questions. This week, Jerome asks, “Why does daylight saving time vary by country?” — Mental Floss Video on Twitter: http://www.twitter.com/mf_video Select Images and Footage provided by Shutterstock: www.shutterstock.com Want more of Craig? https://www.youtube.com/wheezywaiter https://www.youtube.com/thegoodstuff —- Website: http://www.mentalfloss.com Twitter: http://www.twitter.com/mental_floss Facebook: http://www.facebook.com/mentalflossma… Store: http://store.mentalfloss.com/
This video was originally posted to TikTok in November 2020. Hosted by: Hank Green (he/him) Alexis Dahl: Writer Rachel Garner: Fact Checker Savannah Geary: Editor, Associate Producer Hiroka Matsushima: Producer Sarah Suta: Producer Caitlin Hofmeister: Executive Producer Hank Green: Executive Producer Sources: http://www.popgen.su.se/hund/dokument/Hedges_2017.pdf https://dogtraining.world/wp-content/uploads/2017/01/Mech1999.pdf https://www.researchgate.net/publication/261106650_Dog_training_methods_Their_use_effectiveness_and_interaction_with_behaviour_and_welfare Image Sources: https://www.istockphoto.com/photo/beautiful-dog-of-dachshund-black-and-tan-buried-in-the-sand-at-the-beach-sea-on-gm1170291847-323784717 https://www.istockphoto.com/photo/good-boys-get-treats-gm1164915262-320348508 https://www.istockphoto.com/photo/woman-that-trains-several-dogs-of-various-breeds-gm621120902-108400159?phrase=dog%20training
View full lesson: http://ed.ted.com/lessons/how-heavy-is-air-dan-quinn Too often we think of air as empty space — but compared to a vacuum, air is actually pretty heavy. So, just how heavy is it? And if it’s so heavy, why doesn’t it crush us? Dan Quinn describes the fundamentals of air pressure and explains how it affects our bodies,
Watch the full talk here: https://youtu.be/bbiCJHRpke0 #shorts #tedx #ted #health #dementia #neuroscience #neurology #brain #alzheimers
We all know we should spend less and save more, yet many of us struggle to do this and we blame ourselves. Turns out, our environment is what we really need to change, and behavioral scientist Wendy De La Rosa explains why. Managing your money can feel scary and complicated, but it doesn’t have to
Our best guesses at the mystery of memory, with Lisa Genova Subscribe to Big Think on YouTube ►► https://www.youtube.com/c/bigthink Up next ►► 4 ways to hack your memory Every time we learn something new, our brain changes. There are four basic steps in creating a memory: encoding, consolidation, storage, and retrieval. Figuring out how memories
Philosopher and author Robert Rowland Smith, philosopher Mark Vernon, and Jung biographer Gary Lachman reflect on Carl Jung’s legacy, 50 years after his death. Listen to the full audio: http://www.thersa.org/events/audio-and-past-events/2011/carl-jung-legacy-and-influence
PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE ↓ More info below ↓ Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Check out the Space Time Merch Store https://pbsspacetime.com/ Sign up for the mailing list to get episode notifications and hear special
If an octagon with equal sides is cut from a rectangle with sides of 4 and 6, what is the side length of the octagon? It’s a pretty fun problem to work out! Adapted from suggestion on Twitter @preshtalwalkar a regular octagon cut from a rectangle length and breadth 6 and 8 cm. What is
Spearheading a Lune. Featuring Barry Mazur. More links & stuff in full description below ↓↓↓ Reddit discussion: http://redd.it/2hze46 Read more at http://bit.ly/Mazur_Essay and http://bit.ly/SquarableLunes Squaring the circle: http://youtu.be/CMP9a2J4Bqw Barry’s Blobs: http://youtu.be/ItiFO5y36kw (scalability) Support us on Patreon: http://www.patreon.com/numberphile 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 Numberphile is supported by the Mathematical
If you’d like to support Dianna during her recovery, you can do so here → https://www.patreon.com/physicsgirl We just wanted to give you an update on Dianna’s health, since she’s been sick for a while and may not be returning for longer than we previously thought. Her science videos are postponed until she can make a
*** LINKS *** Skittles Touch Ads– Cat: http://www.youtube.com/watch?v=eDlaJlb1ezg Cage Cop: http://www.youtube.com/watch?v=Oech5Rpom2g freddiew WIDESCREEN: http://www.youtube.com/watch?v=FEm8PZ_lUh8 Oscars Find-The-Difference: http://www.youtube.com/watch?v=6Zj45rmDXWI Mario Slot Machine: http://www.youtube.com/watch?v=9gqS8p4tCac MGM Piano: http://www.youtube.com/watch?v=OtcpO4vipNU kokokaka Piano: http://www.youtube.com/watch?v=oD-sSolVDiY Electric Bass with your keyboard: http://www.youtube.com/watch?v=Tm90BM8-4Fs LEGO choose-your-own-adventure: http://www.youtube.com/watch?v=QtG6yw2IrlI Mixable Dancer: http://www.youtube.com/watch?v=kUPVGyqjWPQ YouTube Magic Trick: http://www.youtube.com/watch?v=tbEei0I3kMQ Street Fighter Interactive Game: http://www.youtube.com/watch?v=LPQ1XrllZmA MGM hidden annotations announcement: http://www.youtube.com/watch?v=dH6n2HO5WS0 BooneOakley site:
At the jumper’s fastest point, the acceleration is by definition zero. That is because the jumper is going from speeding up to slowing down. At this instant then there is no change in the jumper’s velocity. This is counter-intuitive for a lot of people because it’s easy to confuse velocity with acceleration. Velocity is how
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