Barry Barish is a theoretical physicist at Caltech and the winner of the Nobel Prize in Physics. Please support this podcast by checking out our sponsors: - MUD\WTR: https://mudwtr.com/lex and use code LEX to get 5% off - GiveDirectly: https://givedirectly.org/lex to get gift matched up to $300 - BiOptimizers: http://www.magbreakthrough.com/lex to get 10% off - Four Sigmatic: https://foursigmatic.com/lex and use code LexPod to get up to 60% off - Magic Spoon: https://magicspoon.com/lex and use code LEX to get $5 off EPISODE LINKS: Barry's Nobel Prize entry: https://www.nobelprize.org/prizes/physics/2017/barish/facts/ Barry's Caltech profile: https://pma.caltech.edu/people/barry-c-barish LIGO's Website: https://www.ligo.caltech.edu/ LIGO's Twitter: https://twitter.com/LIGO PODCAST INFO: Podcast website: https://lexfridman.com/podcast Apple Podcasts: https://apple.co/2lwqZIr Spotify: https://spoti.fi/2nEwCF8 RSS: https://lexfridman.com/feed/podcast/ Full episodes playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4 Clips playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOeciFP3CBCIEElOJeitOr41 OUTLINE: 0:00 - Introduction 1:08 - Early math and physics questions 10:42 - Enrico Fermi 17:14 - Birth of the Nuclear Age 22:22 - The Fermi Paradox 27:26 - Gravity 44:08 - Philosophical implications of general relativity 51:14 - Detecting gravitational waves 54:28 - LIGO 1:27:25 - Nobel Prize 1:42:14 - Black holes 1:54:34 - Space exploration 2:02:28 - Books 2:11:17 - Advice for young people 2:17:13 - Meaning of life SOCIAL: - Twitter: https://twitter.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - Medium: https://medium.com/@lexfridman - Reddit: https://reddit.com/r/lexfridman - Support on Patreon: https://www.patreon.com/lexfridman