Tim Urban is the author and illustrator of the popular blog 'Wait But Why'. Please support this podcast by checking out our sponsors: - Audible: https://audible.com/lex to get $9.95 a month for 6 months - Paperspace: https://gradient.run/lex to get $15 credit - Coinbase: https://coinbase.com/lex to get $5 in free Bitcoin - InsideTracker: https://insidetracker.com/lex and use code Lex25 to get 25% off - NetSuite: http://netsuite.com/lex to get free product tour EPISODE LINKS: Tim's Twitter: https://twitter.com/waitbutwhy Tim's Website: https://waitbutwhy.com Tim's Instagram: https://instagram.com/timurban 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 0:38 - The big and the small 8:28 - Aliens 16:42 - The pencil problem 23:27 - Food abundance 25:31 - Extinction of human civilization 30:49 - Future politics of Mars 37:49 - SpaceX 43:49 - Elon Musk 1:09:17 - Nuclear power 1:13:43 - The higher mind 1:18:27 - Echo chambers and idea labs 1:21:39 - How our brain processes film and music 1:24:53 - Neuralink 1:33:07 - Future of physical interactions 1:37:18 - AI 1:44:38 - Free speech 1:48:41 - How to read more 1:55:23 - Spaced repetition 1:59:26 - Procrastination 2:26:18 - Goals for the future 2:31:36 - 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