When a math trick turns out to be real

What this strange quantum effect reveals about potentials. Sponsored by Planet Wild. Want to restore the planet’s ecosystems and see your impact in monthly videos? The first 150 people to join Planet Wild will get the first month for free at: https://planetwild.com/r/veritasium/join
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Chapters:
0:00 The 3 Body Problem
4:16 Potential Energies
7:09 What is the curl in mathematics?
11:59 Bohm and Oppenheimer
14:36 Potentials in the Schrödinger Equation
18:40 The Aharonov-Bohm Effect
25:29 The Donut Experiment
27:49 Can potentials affect reality?
33:51 The Gravitational Aharonov-Bohm Effect

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A special thank you to Prof. Yakir Aharonov for discussing your own original research with us.

And a huge thank you to Prof. David Kaiser, Prof. Steven Strogatz, Dr Peter Asenbaum, Prof. Olival Freire Jr., and Prof. Yuval Gefen for your invaluable expertise and contributions to this video.

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References – https://ve42.co/ABRefs
Image refs – https://ve42.co/Ty

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The University of Hong Kong created the world’s first soft, 3D, biocompatible semiconductor made from hydrogel that mimics tissue and interacts with living cells.

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@toastiepostie.bsky.social | That Used to Be Total Junk Stained Glass Cat — By Shelyhina Kateryna

Street Art Utopia #art #Sculptures That Used to Be Total JunkStained Glass Cat — By Shelyhina KaterynaThis kitty is glowing with pride! It is made from many small pieces of broken stained glass. When the sun hits it, the whole cat sparkles in every color of the rainbow.

(@toastiepostie.bsky.social) 2026-01-30T04:39:56.101Z

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Marble that looks wet. This jaw-dropping detail comes from “The Nymph” (La Ninfa) by Italian sculptor Giovanni Battista Lombardi (1823–1880)where solid stone is carved to mimic water rippling around her bare feet. The full sculpture was executed in 1858 for Palazzo Facchi in Brescia

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A cold morning.

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How I really feel about the UK after 5 Years Living here as an American

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The Norwegian Blood League #funfact

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Why do we say “cold” and not “chald”?

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How 5,000 Villages Keep Rare Crafts Alive In Vietnam | Big Business | Business Insider

There are reportedly more than 5,000 villages across Vietnam working on traditional crafts like incense sticks and fishing baskets. Some are part of a government program that has generated about $1 billion a year in exports. We traveled across Vietnam to see how these traditional products are made.

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#Vietnam #BigBusiness #BusinessInsider

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Aurora over Antarctica

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