MinutePhysics

It's leap year time... so what are years, anyway? And what do they have to do with the supermassive black hole in the core of the milky way? Mr.

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Guest narrator Sean Carroll of Caltech describes dark energy and the acceleration of the universe, the discovery of which was awarded the 2011 Nobel Prize in Physics on October 4th.

If gravity is so attractive, why doesn't the earth just crash into the sun? Or the moon into the earth?

In which we explain economic equilibrium, how to make money from nothing, and every fundamental force in physics.

Tweet it! - bit.ly/rqSUwR Facebook it! - on.fb.me/oRhE5d Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!

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Big Alien Theory explanation website - thebigalientheory.com Thanks to everyone who supports MinutePhysics on Patreon!

EDWARD SNOWDEN book on Audible: audible.com/pd/Nonfiction/No-Place-to-Hide-Audiobook/B00MEL9RTI/ref=a_search_c4_1_1_srTtl/191-2173915-6184263?qid=1421950758&sr=1-1 MinutePhysics is on

The physics behind the perfect size of a jet engine.

A brief intro to the current theory of (almost) everything - the Standard Model of particle physics. It's like cake, only universal.

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How does physics deal with infinity?

In this quantum world, what does it mean to touch something? Do we really hover above the chairs we're sitting in?

How Einstein (& others) discovered Special Relativity. Pi day (3.14) is Albert Einstein's Birthday!

Thanks to littlebits.com for sponsoring this video – use promo code MinutePhysics for $20 off A HUGE thanks to Wren Weichman (@wrenthereaper) for helping with the 3D bike animation, Michael Aranda

A reply to CGP Grey's video about teleportation, consciousness and Star Trek.

Bad tidings - the tides are slowing down the earth! For more detail about the tides: jal.cc.il.us/~mikolajsawicki/Tides_new2.pdf Tweet it - bit.ly/A58ZwJ Facebook it - on.

Order your MinutePhysics TSHIRT! dftba.com/minutephysics Einstein didn't like quantum mechanics because it wasn't able to make perfect predictions...

For info about divesting from nuclear weapons companies, go to responsibleinvest.org Thanks to the Future of Life Institute for helping support this video futureoflife.org (in

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Thanks to Google Making and Science for supporting this series, and to Sean Carroll for collaborating on it!

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Hi! My name is Henry, I make MinutePhysics, and you can support me on Patreon: patreon.com/minutephysics Is it better to walk or run when it's cold out?

Thanks to the Heising-Simons foundation for their support: hsfoundation.org (their COVID-19 grants: hsfoundation.org/grants/covid-19-response-grants ) Check out

MinutePhysics is on Google+ - bit.ly/qzEwc6 And facebook - facebook.com/minutephysics And twitter - @minutephysics Minute Physics provides an energetic and entertaining view of old

Is it in the Arctic Ocean? In Canada? Russia?