#433 – Sara Walker: Physics of Life, Time, Complexity, and Aliens

Jun 13, 2024 3h 2m

About this episode

Sara Walker is an astrobiologist and theoretical physicist. She is the author of a new book titled “Life as No One Knows It: The Physics of Life’s Emergence”. Please support this podcast by checking out our sponsors: – Notion: <a href="https://notion.com/lex">https://notion.com/lex</a> – Motific: <a href="https://motific.ai">https://motific.ai</a> – Shopify: <a href="https://shopify.com/lex">https://shopify.com/lex</a> to get $1 per month trial – BetterHelp: <a href="https://betterhelp.com/lex">https://betterhelp.com/lex</a> to get 10% off – AG1: <a href="https://drinkag1.com/lex">https://drinkag1.com/lex</a> to get 1 month supply of fish oil Transcript: <a href="https://lexfridman.com/sara-walker-3-transcript">https://lexfridman.com/sara-walker-3-transcript</a> EPISODE LINKS: Sara’s Book – Life as No One Knows It: <a href="https://amzn.to/3wVmOe1">https://amzn.to/3wVmOe1</a> Sara’s X: <a href="https://x.com/Sara_Imari">https://x.com/Sara_Imari</a> Sara’s Instagram: <a href="https://instagram.com/alien_matter">https://instagram.com/alien_matter</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://spoti.fi/2nEwCF8">https://spoti.fi/2nEwCF8</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 (10:40) – Definition of life (31:18) – Time and space (42:00) – Technosphere (46:25) – Theory of everything (55:06) – Origin of life (1:16:44) – Assembly theory (1:32:58) – Aliens (1:44:48) – Great Perceptual Filter (1:48:45) – Fashion (1:52:47) – Beauty (1:59:08) – Language (2:05:50) – Computation (2:15:37) – Consciousness (2:24:28) – Artificial life (2:48:21) – Free will (2:55:05) – Why anything exists

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