There Is Something Faster Than Light

How an argument between Einstein and Bohr changed quantum mechanics forever. Sponsored by NordVPN - 🌏 Get exclusive NordVPN deal here: https://NordVPN.com/veritasium It’s risk free with Nord’s 30 day money-back guarantee!✌ If you’re looking for a molecular modelling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV Sign up for the Veritasium newsletter for weekly science updates - https://ve42.co/Newsletter ▀▀▀ Thank you to Dr Adam Becker for his help with this video - check out his book here https://ve42.co/WhatReal And special thanks to Thierry Avignon, Benjamin Vest, and Lionel Jacubowiez of the Institut d'Optique Graduate School - Laboratoire d'Enseignement Expérimental (LEnsE) Correction: 30:53 Electrons and Positrons not Protons ▀▀▀ 0:00 The Speed of Gravity 3:07 Spooky Action at a Distance 5:21 The Copenhagen Interpretation 9:12 The EPR Paradox and Hidden Variables 17:25 Einstein vs Bohr 20:51 John Bell and Entanglement 22:14 Bell’s Theorem 29:30 The Bell Inequality Test 33:41 The Most Misunderstood Experiment in Physics 35:06 The Locality Problem 40:37 The Many-Worlds Interpretation ▀▀▀ References: Adam Becker (2018). What is Real?. Basic Civitas Books - ve42.co/WhatReal Einstein-Podolsky-Rosen paradox via Wikipedia - ve42.co/EPRWiki Einstein, A. et al. (1935). Can Quantum-Mechanical Description of Physical Reality Be Considered Complete?. American Physical Society (APS) - ve42.co/EPR Solvay Conference via Wikipedia - ve42.co/SolvayConf Owen Willans Richardson Photo Galley via nobelprize.org - ve42.co/SolvayPhoto Bohr-Einstein debates via Wikipedia - ve42.co/BohrEinDeb Bacciagaluppi, G and Valentini, A (2009). Quantum Theory at the Crossroads. Cambridge University Press - ve42.co/Crossroads Bohr, N. (1935). Can Quantum-Mechanical Description of Physical Reality be Considered Complete?. American Physical Society (APS) - ve42.co/BohrResp The Solvay Conference via rarehistoricalphot