Einsteins Biggest Blunder Explained

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Thanks to Brilliant for supporting MinutePhysics. Get 20% off a premium subscription at https://brilliant.org/MinutePhysics/ • This video is about how Albert Einstein made a mistake when applying the Field Equations of General Relativity to cosmology (in particular, to a static, constant density universe), and solved the problem by introducing the cosmological constant, rather than allowing for a dynamic universe with a scale factor - that is, the Friedmann-Lemaitre-Robertson-Walker universe, first developed by Alexander Friedmann of Russia. Later, it was discovered by the Slipher and Hubble red-shift that the universe is indeed expanding, and even later, by Schwarz and company in 1998, that the expansion is accelerating - aka, dark energy. And the cosmological constant was re-introduced. • Thanks to Grant Sanderson of / 3blue1brown for help with the fancy equation animation! • REFERENCES • The Einstein Field Equations • https://en.wikipedia.org/wiki/Einstei... • Interrogating the Legend of Einstein’s “Biggest Blunder” • https://arxiv.org/abs/1804.06768 • On the General Theory of Relativity (Einstein) • https://einsteinpapers.press.princeto... • The Foundation of the General Theory of Relativity (Albert Einstein) • https://einsteinpapers.press.princeto... • Cosmological Considerations in the General Theory of Relativity • https://einsteinpapers.press.princeto... • Einstein Wrongly Criticizes Alexander Friedmann • https://einsteinpapers.press.princeto... • Alexander Friedmann Corrects Einstein • https://einsteinpapers.press.princeto... • Einstein Admits his Mathematical Mistake • https://einsteinpapers.press.princeto... • The Field Equations of Gravitation • https://einsteinpapers.press.princeto... • George Gamow • https://en.wikipedia.org/wiki/George_... • Mach’s Principle • https://en.wikipedia.org/wiki/Mach%27... • Equivalence Principle • https://en.wikipedia.org/wiki/Equival... • Sean Carroll and William Press Paper • https://preposterousuniverse.com/wp-c... • Support MinutePhysics on Patreon! / minutephysics • Link to Patreon Supporters: http://www.minutephysics.com/supporters/ • MinutePhysics is on twitter - @minutephysics • And facebook - / minutephysics • And Google+ (does anyone use this any more?) - http://bit.ly/qzEwc6 • Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! • Created by Henry Reich

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