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#213 – Barry Barish: Gravitational Waves and the Most Precise Device Ever Built

Lex Fridman Podcast

Conversations that explore technology, history, philosophy, physics, mathematics, biology, chemistry, engineering, AI, robotics, programming, music, film, art, sports, psychology, neuroscience, geopolitics, business, economics, religion, astronomy, and the human condition with people from all walks of life.

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/
YouTube Full Episodes: https://youtube.com/lexfridman
YouTube Clips: https://youtube.com/lexclips

SUPPORT & CONNECT:
- Check out the sponsors above, it's the best way to support this podcast
- Support on Patreon: https://www.patreon.com/lexfridman
- Twitter: https://twitter.com/lexfridman
- Instagram: https://www.instagram.com/lexfridman
- LinkedIn: https://www.linkedin.com/in/lexfridman
- Facebook: https://www.facebook.com/lexfridman
- Medium: https://medium.com/@lexfridman

OUTLINE:
Here's the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.
(00:00) - Introduction
(08:27) - Early Math and Physics questions
(18:02) - Enrico Fermi
(24:34) - Birth of the Nuclear Age
(29:42) - The Fermi Paradox
(34:45) - Gravity
(51:28) - Philosophical Implications of General Relativity
(58:34) - Detecting Gravitational Waves
(1:01:47) - LIGO
(1:34:45) - Nobel Prize
(1:49:34) - Black Holes
(2:01:53) - Space Exploration
(2:09:48) - Books
(2:18:37) - Advice for young people
(2:24:33) - Meaning of life

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: <a href="https://mudwtr.com/lex">https://mudwtr.com/lex</a> and use code LEX to get 5% off 
– GiveDirectly: <a href="https://givedirectly.org/lex">https://givedirectly.org/lex</a> to get gift matched up to $300 
– BiOptimizers: <a href="http://www.magbreakthrough.com/lex">http://www.magbreakthrough.com/lex</a> to get 10% off 
– Four Sigmatic: <a href="https://foursigmatic.com/lex">https://foursigmatic.com/lex</a> and use code LexPod to get up to 60% off 
– Magic Spoon: <a href="https://magicspoon.com/lex">https://magicspoon.com/lex</a> and use code LEX to get $5 off
EPISODE LINKS: 
Barry’s Nobel Prize entry: <a href="https://www.nobelprize.org/prizes/physics/2017/barish/facts/">https://www.nobelprize.org/prizes/physics/2017/barish/facts/</a> 
Barry’s Caltech profile: <a href="https://pma.caltech.edu/people/barry-c-barish">https://pma.caltech.edu/people/barry-c-barish</a> 
LIGO’s Website: <a href="https://www.ligo.caltech.edu/">https://www.ligo.caltech.edu/</a> 
LIGO’s Twitter: <a href="https://twitter.com/LIGO">https://twitter.com/LIGO</a>
PODCAST INFO: 
Podcast website: <a href="https://lexfridman.com/podcast">https://lexfridman.com/podcast</a> 
Apple Podcasts: <a href="https://apple.co/2lwqZIr">https://apple.co/2lwqZIr</a> 
Spotify: <a href="https://open.spotify.com/show/2MAi0BvDc6GTFvKFPXnkCL">https://open.spotify.com/show/2MAi0BvDc6GTFvKFPXnkCL</a> 
RSS: <a href="https://lexfridman.com/feed/podcast/">https://lexfridman.com/feed/podcast/</a> 
YouTube Full Episodes: <a href="https://youtube.com/lexfridman">https://youtube.com/lexfridman</a> 
YouTube Clips: <a href="https://youtube.com/lexclips">https://youtube.com/lexclips</a>
SUPPORT & CONNECT: 
– Check out the sponsors above, it’s the best way to support this podcast 
– Support on Patreon: <a href="https://www.patreon.com/lexfridman">https://www.patreon.com/lexfridman</a> 
– Twitter: <a href="https://twitter.com/lexfridman">https://twitter.com/lexfridman</a> 
– Instagram: <a href="https://www.instagram.com/lexfridman">https://www.instagram.com/lexfridman</a> 
– LinkedIn: <a href="https://www.linkedin.com/in/lexfridman">https://www.linkedin.com/in/lexfridman</a> 
– Facebook: <a href="https://www.facebook.com/lexfridman">https://www.facebook.com/lexfridman</a> 
– Medium: <a href="https://medium.com/@lexfridman">https://medium.com/@lexfridman</a>
OUTLINE: 
Here’s the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time. 
(00:00) – Introduction 
(08:27) – Early Math and Physics questions 
(18:02) – Enrico Fermi 
(24:34) – Birth of the Nuclear Age 
(29:42) – The Fermi Paradox 
(34:45) – Gravity 
(51:28) – Philosophical Implications of General Relativity 
(58:34) – Detecting Gravitational Waves 
(1:01:47) – LIGO 
(1:34:45) – Nobel Prize 
(1:49:34) – Black Holes 
(2:01:53) – Space Exploration 
(2:09:48) – Books 
(2:18:37) – Advice for young people 
(2:24:33) – Meaning of life

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#213 – Barry Barish: Gravitational Waves and the Most Precise Device Ever Built

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