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I waterproofed myself with aerogel!
Experiencing the extraordinary properties of aerogel first hand
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https://www.youtube.com/watch?v=QAWnEVa9vmw
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VIDEO
THE M
the-most-useful-numbers-you've-never
There's a strange number system, featured in the work of a dozen Fields Medalists, that helps solve problems that are intractable with real numbers. Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20% off an annual premium subscription.
If you're looking for a molecular modeling kit, try Snatoms - a kit I invented where the atoms snap together magnetically: https://snatoms.com
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References:
Koblitz, N. (2012). p-adic Numbers, p-adic Analysis, and Zeta-Functions (Vol. 58). Springer Science & Business Media.
Amazing intro to p-adic numbers here: https://youtu.be/3gyHKCDq1YA
Excellent series on p-adic numbers: https://youtu.be/VTtBDSWR1Ac
Great videos by James Tanton: @JamesTantonMath
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Special thanks to our Patreon supporters:
Emil Abu Milad, Tj Steyn, meg noah, Bernard McGee, KeyWestr, Amadeo Bee, TTST, Balkrishna Heroor, John H. Austin, Jr., john kiehl, Anton Ragin, Diffbot, Gnare, Dave Kircher, Burt Humburg, Blake Byers, Evgeny Skvortsov, Meekay, Bill Linder, Paul Peijzel, Josh Hibschman, Mac Malkawi, Juan Benet, Ubiquity Ventures, Richard Sundvall, Lee Redden, Stephen Wilcox, Marinus Kuivenhoven, Michael Krugman, Sam Lutfi.
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Written by Derek Muller and Alex Kontorovich
Edited by Trenton Oliver
Animated by Mike Radjabov, Ivy Tello, Fabio Albertelli and Jakub Misiek
Filmed by Derek Muller
Additional video/photos supplied by Getty Images & Pond5
Music from Epidemic Sound & Jonny Hyman
Produced by Derek Muller, Petr Lebedev, & Emily Zhang
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Created
11 months ago
Content Type
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video/mp4
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VIDEO
THE T
the-truth-about-toilet-swirl-southern
SYNCHRONIZE WITH DESTIN’S VIDEO: http://bit.ly/NorthernSwirl
Both videos on one page (for desktop): http://bit.ly/ToiletSwirl
Subscribe to Smarter Every Day: http://bit.ly/SubscribeSED
Click to tweet: http://bit.ly/ToiletSwirlTWT
Some notes:
We each repeated the experiment 3 times, and got the same results every time. For those of you who might be skeptical, great! A right circular prismatic kiddie pool is only $10 and you can do the experiment for yourself at your latitude. There's really no reason you shouldn't do it for yourself.
Veritasium on Instagram: http://instagram.com/veritasium
Patreon Support Link: http://www.patreon.com/veritasium
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Created
1 year ago
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video/mp4
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VIDEO
WHERE
where-do-trees-get-their-mass-from
Complete unedited interviews: http://www.youtube.com/watch?v=8dcw98B2Nzg
Trees can weigh hundreds or even thousands of tons, but where do they get this mass from? A few common answers are: the soil, water, and sunlight. But the truth is the vast majority of a dry tree's mass comes from the air - it originated as carbon dioxide
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Created
1 year ago
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video/mp4
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VIDEO
SUPER
supersized-slow-mo-slinky-drop
What happens when a super long slinky is dropped?
Transaction
Created
1 year ago
Content Type
Language
video/mp4
Controlling
VIDEO
HOW D
how-distant-galaxies-mess-with-our-lives
Tiny particles from distant galaxies have caused plane accidents, election interference and game glitches. This video is sponsored by Brilliant. The first 200 people to sign up via https://brilliant.org/veritasium get 20% off a yearly subscription.
This video was inspired by the RadioLab Podcast "Bit Flip" https://ve42.co/BF -- they're brilliant science storytellers.
A Huge thanks to Dr Leif Scheick, Calla Cofield and the JPL Media Relations Team.
Thanks to Col Chris Hadfield. Check out his book: https://chrishadfield.ca/books/
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References:
J. F. Ziegler, "Terrestrial cosmic rays," in IBM Journal of Research and Development, vol. 40, no. 1, pp. 19-39, Jan. 1996, doi: 10.1147/rd.401.0019. -- https://ve42.co/Ziegler1996
D. Binder, E. C. Smith and A. B. Holman, "Satellite Anomalies from Galactic Cosmic Rays," in IEEE Transactions on Nuclear Science, vol. 22, no. 6, pp. 2675-2680, Dec. 1975, doi: 10.1109/TNS.1975.4328188 https://ve42.co/Binder1975
Ziegler, J. F., & Lanford, W. A. (1979). Effect of cosmic rays on computer memories. Science, 206(4420), 776-788 https://ve42.co/Ziegler1979
Drury, L. O. C. (2012). Origin of cosmic rays. Astroparticle Physics, 39, 52-60. https://ve42.co/Drury2012
Hess, V. (2018). On the observations of the penetrating radiation during seven balloon flights. arXiv preprint arXiv:1808.02927. --https://ve42.co/Hess2018
Carlson, P., & De Angelis, A. (2011). Nationalism and internationalism in science: the case of the discovery of cosmic rays. The European Physical Journal H, 35(4), 309-329. -- https://ve42.co/Carlson2011
Höeffgen, S. K., Metzger, S., & Steffens, M. (2020). Investigating the effects of cosmic rays on space electronics. Frontiers in Physics, 8, 318. -- https://ve42.co/Hoeffgen2020
Edmonds, L. D., Barnes, C. E., & Scheick, L. Z. (2000). An introduction to space radiation effects on microelectronics. Jet Propulsion Laboratory, National Aeronautics and Space Administration. -- https://ve42.co/Edmonds2000
NASA Mars 2020 website covering the specifications of the Perseverance Rover https://ve42.co/RoverBrains
Australian Government Australian Transport Safety Bureau report on QF72 -- https://ve42.co/ASTBQantas
Australian Government Australian Transport Safety Bureau summary on QF72 --https://ve42.co/ASTBQantas2
Great Blog post about QF72 -- https://ve42.co/DempseyQantas
Michael Barr's report on the Toyota acceleration issue --https://ve42.co/Barr2015
NASA's Report on Toyota -- https://ve42.co/NASAToyota
T. C. May and M. H. Woods, "A New Physical Mechanism for Soft Errors in Dynamic Memories," 16th International Reliability Physics Symposium, 1978, pp. 33-40, doi: 10.1109/IRPS.1978.362815. --https://ve42.co/May1978
P. M. O'Neill and G. D. Badhwar, "Single event upsets for Space Shuttle flights
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https://www.youtube.com/watch?v=AaZ_RSt0KP8
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Created
1 year ago
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VIDEO
WORLD
world-s-roundest-object
The world's roundest object helps solve the longest running problem in measurement -- how to define the kilogram.
Support Veritasium on Patreon: http://bit.ly/VePatreon
A kilogram isn't what it used to be. Literally. The original name for it was the 'grave', proposed in 1793 but it fell victim to the French Revolution like its creator, Lavoisier. So begins the tale of the most unusual SI unit. The kilogram is the only base unit with a prefix in its name, and the only one still defined by a physical artifact, the international prototype kilogram or IPK.
But the problem with this definition has long been apparent. The IPK doesn't seem to maintain its mass compared to 40 similar cylinders minted at the same time. The goal is therefore to eliminate the kilogram's dependence on a physical object. Two main approaches are being considered to achieve this end: the Avogadro Project and the Watt Balance.
The Avogadro project aims to redefine Avogadro's constant (currently defined by the kilogram -- the number of atoms in 12 g of carbon-12) and reverse the relationship so that the kilogram is precisely specified by Avogadro's constant. This method required creating the most perfect sphere on Earth. It is made out of a single crystal of silicon 28 atoms. By carefully measuring the diameter, the volume can be precisely specified. Since the atom spacing of silicon is well known, the number of atoms in a sphere can be accurately calculated. This allows for a very precise determination of Avogadro's constant.
Special thanks to Katie Green, Dr. David Farrant, the CSIRO, and the National Measurment Institute for their help. Thanks also to Nessy Hill for filming and reviewing earlier drafts of this video.
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https://www.youtube.com/watch?v=ZMByI4s-D-Y
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Created
1 year ago
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video/mp4
English
VIDEO
QUANT
quantum-entanglement-spooky-action-at-a
Does quantum entanglement make faster-than-light communication possible?
What is NOT random? http://bit.ly/NOTrandoVe
First, I know this video is not easy to understand. Thank you for taking the time to attempt to understand it. I've been working on this for over six months over which time my understanding has improved. Quantum entanglement and spooky action at a distance are still debated by professors of quantum physics (I know because I discussed this topic with two of them).
Does hidden information (called hidden variables by physicists) exist? If it does, the experiment violating Bell inequalities indicates that hidden variables must update faster than light - they would be considered 'non-local'. On the other hand if you don't consider the spins before you make the measurement then you could simply say hidden variables don't exist and whenever you measure spins in the same direction you always get opposite results, which makes sense since angular momentum must be conserved in the universe.
Everyone agrees that quantum entanglement does not allow information to be transmitted faster that light. There is no action either detector operator could take to signal the other one - regardless of the choice of measurement direction, the measured spins are random with 50/50 probability of up/down.
Special thanks to:
Prof. Stephen Bartlett, University of Sydney: http://bit.ly/1xSosoJ
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https://www.youtube.com/watch?v=ZuvK-od647c
Transaction
Created
1 year ago
Content Type
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video/mp4
Controlling
VIDEO
HOW N
how-nasa-reinvented-the-wheel
NASA have made a wheel capable of withstanding tough Martian terrain, but just how indestructible is it? Head to hensonshaving.com/veritasium and enter code 'Veritasium' for 100 free blades with the purchase of a razor. Make sure to add both the razor and the blades to your cart for the code to take effect.
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A huge thanks to everyone at NASA Glenn Research Center for having us at the SLOPE Lab, showing their work on this indestructible tire, and helping with the science and animation.
A huge thanks to everyone at Smart Tire Co for showing us around their facility, teaching us about nitinol, and letting us flatten their tires.
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References:
Steel Rod Footage - https://ve42.co/SteelRod
H. Föll. 8.4.1 - Martensite. University of Kiel, Faculty of Engineering - https://ve42.co/Foell
Bhattacharya, K. (1998). Theory of martensitic microstructure and the shape-memory effect - https://ve42.co/Bhattacharya1998
Bhattacharya, K. (2003). Microstructure of martensite: why it forms and how it gives rise to the shape-memory effect (Vol. 2). Oxford University Press. - https://ve42.co/MartensiteBook
Shaw, J. A. (2008). Tips and tricks for characterizing shape memory alloy wire: part 1—differential scanning calorimetry and basic phenomena. Experimental Techniques - https://ve42.co/Shaw2008
Buehler, W. J., Gilfrich, J. V., & Wiley, R. C. (1963). Effect of low‐temperature phase changes on the mechanical properties of alloys near composition TiNi. Journal of applied physics, 34(5), 1475-1477.
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Special thanks to our Patreon supporters:
Emil Abu Milad, Tj Steyn, meg noah, Bernard McGee, KeyWestr, Amadeo Bee, TTST, Balkrishna Heroor, John H. Austin, Jr., john kiehl, Anton Ragin, Benedikt Heinen, Diffbot, Gnare, Dave Kircher, Burt Humburg, Blake Byers, Evgeny Skvortsov, Meekay, Bill Linder, Paul Peijzel, Josh Hibschman, Mac Malkawi, Juan Benet, Ubiquity Ventures, Richard Sundvall, Lee Redden, Stephen Wilcox, Marinus Kuivenhoven, Michael Krugman, Cy ‘kkm’ K’Nelson, Sam Lutfi.
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Written by Derek Muller, Katie Barnshaw, & Emily Zhang
Edited by Trenton Oliver
Animated by Mike Radjabov & Ivy Tello
Coordinated by Emily Zhang
Filmed by Derek Muller & Emily Zhang
Additional video/photos supplied by Getty Images & Pond5
Music from Epidemic Sound
Produced by Derek Muller, Petr Lebedev, & Emily Zhang
Thumbnail by Ignat Berbeci
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https://www.youtube.com/watch?v=vSNtifE0Z2Q
Transaction
Created
1 year ago
Content Type
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video/mp4
English
Controlling
VIDEO
THE U
the-us-government-sells-human-poop
This government warehouse keeps our entire society up to standard. Part of this video was sponsored by Google Domains. Take the first step to get online with a domain name from Google Domains - go to domains.google/veritasium to get 20% off your first year. #GoogleDomains
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Thanks to Rich Press and NIST for the great visit.
Thanks to Dr. Steve Choquette, Dr. Ben Place, and Dr. Johanna Camara for teaching us about the world of Standard Reference Materials.
You can check out all the cool work going on at NIST here: https://www.nist.gov/
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References:
NIST (2022). Standard Reference Materials. – https://ve42.co/WhyStandard2022
Montgomery, R. & Bercik, I. (2022). NIST Standard Reference Materials 2022 Catalog. – https://ve42.co/SRMCatalog
Vincent, J. (2022). Made to measure: why we can’t stop quantifying our lives. The Guardian –
https://ve42.co/Vincent2022
Proffitt, A. (2022). NIST Develops Monkeypox Reference Materials, Sees Growing Role in Outbreak Response. Diagnostics World. – https://ve42.co/Proffitt2022
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Special thanks to our Patreon supporters:
James Sanger, Louis Lebbos, Elliot Miller, Brian Busbee, Jerome Barakos M.D., Amadeo Bee, TTST, Balkrishna Heroor, Chris LaClair, John H. Austin Jr., OnlineBookClub.org, Matthew Gonzalez, Eric Sexton, John Kiehl, Diffbot, Gnare, Dave Kircher, Burt Humburg, Blake Byers, Evgeny Skvortsov, Meekay, Bill Linder, Paul Peijzel, Josh Hibschman, Mac Malkawi, Mike Schneider, John Bauer, Jim Buckmaster, Juan Benet, Sunil Nagaraj, Richard Sundvall, Lee Redden, Stephen Wilcox, Marinus Kuivenhoven, Michael Krugman, Cy 'kkm' K'Nelson, Sam Lutfi
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Written by Derek Muller & Emily Zhang
Edited by Trenton Oliver
Animation by Ivy Tello & Mike Radjabov
Filmed by Derek Muller, Trenton Oliver, and Emily Zhang
Additional video/photos supplied by Pond5 & Getty Images
Music from Epidemic Sound
Produced by Derek Muller, Petr Lebedev, and Emily Zhang
...
https://www.youtube.com/watch?v=esQyYGezS7c
Transaction
Created
1 year ago
Content Type
Language
video/mp4
English