The Supernova That Measured The Universe

In 2015 astronomers successfully predicted the appearance of a supernova within a couple weeks. How did they do it? Win your Ultimate Tech Bundle by entering Fasthosts’ Techie Test here: https://fasthosts.com/veritasium This video was sponsored by Fasthosts. Special thanks to Geraint Lewis for consulting on gravitational lensing. Check out his YouTube channel: https://ve42.co/gfl and books: […]

The Nuclear Fallout They Kept Secret

Kodak detected the first atomic bomb before anyone else figured it out. Then they made a deal not to tell anyone. Thanks to HBO Max, and their new show raised by Wolves for sponsoring this video! https://rb.gy/alghwn References: Albuquerque Tribune Bulletin, July 16, 1945 – https://www.marshallfoundation.org/library/documents/albuquerque-tribune-bulletin-16-july-1945/ Webb, J. H. (1949). The fogging of photographic film […]

Is Success Luck or Hard Work?

In a competitive world, tiny advantages can make all the difference. Get 10% off Snatoms with code ‘giveluck’ in the US: https://ve42.co/USA or International: https://snatoms.com If you would like to receive Snatoms, submit the form here: https://ve42.co/getluck Snatoms are also available on Amazon Prime in the US but with no discount code: https://ve42.co/Asnatoms Huge thanks […]

Turbulent Flow is MORE Awesome Than Laminar Flow

Everyone loves laminar flow but turbulent flow is the real MVP. A portion of this video was sponsored by Cottonelle. Purchase Cottonelle Flushable Wipes and try them for yourself: https://bit.ly/2WJm9Hq Special thanks to: Prof. Beverley McKeon and team https://www.mckeon.caltech.edu Destin from Smarter Every Day https://www.youtube.com/smartereveryday I got into turbulent flow via chaos. The transition to […]

Parallel Worlds Probably Exist. Here’s Why

The most elegant interpretation of quantum mechanics is the universe is constantly splitting A portion of this video was sponsored by Norton. Get up to 60% off the first year (annually billed) here: https://bit.ly/32SM0yd or use promo code VERITASIUM Special thanks to: Prof. Sean Carroll https://www.preposterousuniverse.com His book, a major source for this video is […]

This equation will change how you see the world

The logistic map connects fluid convection, neuron firing, the Mandelbrot set and so much more. Fasthosts are giving UK viewers the chance to win tickets, flight, and accommodation to SXSW 2020 by answering my Techie Test question: https://www.fasthosts.co.uk/veritasium Animations, coding, interactives in this video by Jonny Hyman 🙌 Try the code yourself: https://github.com/jonnyhyman/Chaos References: James […]

Why Most Resolutions Fail & How To Succeed

Common pitfalls of New Year’s resolutions and how I plan to avoid them. Thanks Audible! Start listening with a 30-day trial and your first audiobook plus two Audible Originals free when you go to https://audible.com/veritasium or text veritasium to 500500. Thanks to Simone Giertz for sending me and Every Day Calendar! Get notified when they’re […]

How to Slow Aging (and even reverse it)

Scientists like Prof Sinclair have evidence of speeding up, slowing, and even reversing aging. Thanks to LastPass for sponsoring this video. Click here to start using LastPass: https://ve42.co/VeLP What causes aging? According to Professor David Sinclair, it is a loss of information in our epigenome, the system of proteins like histones and chemical markers like […]

The Science of the Butterfly Effect 🦋

Chaos theory means deterministic systems can be unpredictable. Thanks to LastPass for sponsoring this video. Click here to start using LastPass: https://ve42.co/VeLP Animations by Prof. Robert Ghrist: https://ve42.co/Ghrist Want to know more about chaos theory and non-linear dynamical systems? Check out: https://ve42.co/chaos-math Butterfly footage courtesy of Phil Torres and The Jungle Diaries: https://ve42.co/monarch Solar system, […]

Engineering with Origami

Origami is inspiring a plethora of new engineering designs. Try yourself: https://ve42.co/Origami Thanks Audible! Start listening with a 30-day trial and your first audiobook, plus two Audible Originals free when you go to https://audible.com/veritasium or text veritasium to 500500 Huge thanks to: Dr. Robert Lang https://langorigami.com Prof. Larry Howell https://www.compliantmechanisms.byu.edu/ On first glance it’s surprising […]

The Bizarre Behavior of Rotating Bodies, Explained

Spinning objects have strange instabilities known as The Dzhanibekov Effect or Tennis Racket Theorem – this video offers an intuitive explanation. Part of this video was sponsored by LastPass, click here to find out more: https://ve42.co/LP References: Prof. Terry Tao’s Math Overflow Explanation: https://ve42.co/Tao The Twisting Tennis Racket Ashbaugh, M.S., Chicone, C.C. & Cushman, R.H. […]

Flamethrower* vs Aerogel

*Technically ‘not-a-flamethrower’ vs aerogel, we applied a huge 2000°C flame to a large fiberglass blanket infused with silica aerogel – formerly the lightest solid (now that title is held by graphene aerogel). Special thanks to: Aerogel Technologies: https://ve42.co/aerogeltech Aspen Aerogels: https://ve42.co/aspen Ben: @BenScho999999 Dr. Stephen Steiner and the Aerogel Technologies team The footage of aerogel […]

Making Liquid Nitrogen From Scratch!

I used a nitrogen membrane and Stirling cryocooler to liquefy nitrogen out of the air. For this video I partnered with Starbucks to celebrate their Nitro Cold Brew. Order one here: https://starbucks.app.link/derekmuller Making liquid nitrogen is hard – in fact up until 150 years ago scientists doubted whether it was even possible to liquefy nitrogen. […]

Why the Future of Cars is Electric

Electric cars are now ready to take over thanks to advances in battery technology and their inherent benefits: torque, handling, maintenance. This video was sponsored by BMW: https://www.bmwusa.com/ Full disclosure: I drive an #electric #car. I think electric cars are the future, not mainly because they’re better for the environment (which they are if you […]

Why Did Apollo Astronauts Train in Nuclear Bomb Craters?

Apollo astronauts trained in nuclear bomb craters at the Nevada National Security Site. But why?Thanks Audible! Start listening with a 30-day trial and your first audiobook plus two Audible Originals free when you go to http://audible.com/veritasium or text veritasium to 500500 I found this story fascinating because in a way a nuclear bomb crater is […]

I Made Myself Fireproof AND Waterproof With Aerogel

Aerogel has extraordinary properties but it can be tough to work with. This video looks at modifying aerogels to take advantage of their unique characteristics. Subscribe to Veritasium: https://ve42.co/sub Huge thanks to Dr. Stephen Steiner and the crew at Aerogel Technologies. To find out more or buy your own aerogel sample, check out: http://www.aerogeltechnologies.com/ Thanks […]

World’s Lightest Solid!

Aerogels are the world’s lightest (least dense) solids. They are also excellent thermal insulators and have been used in numerous Mars missions and the Stardust comet particle-return mission. The focus of this video is silica aerogels, though graphene aerogels are now technically the lightest. At one point Dr. Steven Jones literally held the Guinness World […]

Magnetic Micro-Robots

Tiny robots activated by magnetic fields may be used in future biomedical procedures. Start listening to Audible with a 30-day trial and your first audiobook, plus two Audible Originals free when you go to http://audible.com/veritasium or text veritasium to 500500 Huge thanks to: Dr. Eric Diller, Assistant Professor of Mechanical Engineering at the University of […]

$250,000 for a High School Science Student

The story of three impressive high school science projects. Can you guess which student won $250,000 in the #RegeneronSTS? Applications open June 1: http://bit.ly/2HkLXT1 This video was sponsored by Regeneron. The Science Talent Search was founded and produced by the Society for Science and the Public. Huge thanks to the students: Ronak Roy, Ana Humphrey, […]

First Images of Black Holes!

The Event Horizon Telescope Collaboration observed the supermassive black holes at the center of M87 and our Milky Way galaxy (SgrA*) finding the dark central shadow in accordance with General Relativity, further demonstrating the power of this 100 year-old theory. To understand more about why the shadows look the way they do, check out: https://www.youtube.com/watch?v=zUyH3XhpLTo […]

The History of Video

I always wanted to know why film looked better than video. Moving electronic images have as long a history but were invented for a different purpose. This video was sponsored by B&H Photo: https://www.bhphotovideo.com Huge thanks to: Richard Diehl, Video Labguy https://www.youtube.com/user/videolabguy https://www.labguysworld.com Branch Education for awesome animations https://ve42.co/BranchEd Minutephysics for mechanical TV animations https://www.youtube.com/minutephysics […]

Can Humans Sense Magnetic Fields?

Research has found some human brains can pick up on rotations of geomagnetic-strength fields as evidenced by drops in alpha wave power following stimulus. For more, see https://ve42.co/magneto Huge thanks to: Prof. Shinsuke Shimojo, Connie Wang, and Isaac Hilburn, plus Prof. Joe Kirschvink. Their lab: https://ve42.co/maglab Special thanks to Patreon supporters: Donal Botkin, James M […]

How Flexible Machines Could Save The World

Compliant mechanisms have lots of advantages over traditional devices. SimpliSafe is awesome security. It’s really effective, easy to use, and the price is great. Check out SimpliSafe here: https://simplisafe.com/veritasium I visited the Compliant Mechanisms Research group at Brigham Young University and spoke to Professor Larry Howell: https://www.compliantmechanisms.byu.edu At the above link, you can download 3D-print […]

Are Negative Ions Good For You?

Do negative air ions improve mood, anxiety, depression, alertness? Part of this video was sponsored by LastPass, click here to find out more: http://bit.ly/2RZZTZk Special thanks to Prof. Jack Beauchamp and Dr. Nathan Dalleska from Caltech for all their help running these experiments and discussing the research. For more, check out the links below: http://www.cce.caltech.edu/people/jesse-l-jack-beauchamp […]

The Inverse Leidenfrost Effect

Droplets levitate on a bath of liquid nitrogen and are spontaneously self-propelled. Thanks Audible! Start a 30-day trial and your first audiobook is free. Go to https://audible.com/VERITASIUM or text VERITASIUM to 500500. Special thanks to Dr. Anaïs Gauthier Physics of Fluids: https://pof.tnw.utwente.nl/ Self-propulsion of inverse Leidenfrost drops on a cryogenic bath Anaïs Gauthier, Christian Diddens, […]

The Best Test of General Relativity (by 2 Misplaced Satellites)

A launch mishap led to the best experimental confirmation of gravitational redshift. Get a free audiobook with a 30-day trial of Audible: http://audible.com/VERITASIUM or text VERITASIUM to 500500 Huge thanks to Dr. Pacome Delva: https://ve42.co/pacome Dr. Sven Herrmann: https://ve42.co/sven Gravitational Redshift Test Using Eccentric Galileo Satellites: https://ve42.co/GRtest Disclaimer: It is arguable what is THE best […]

Non-Invasive Brain Surgery

Scientists have combined ultrasound, viruses and synthetic drugs to control regions of the brain. Check out Skillshare: https://skl.sh/veritasium (first 500 get 2 months free) Special thanks to Prof. Mikhail Shapiro and Dr. Jerzy Szablowski: http://shapirolab.caltech.edu Human brains are complicated – the most complicated thing in the known universe, many people say. So far we understand […]