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

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

2024/6/13
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Materialists believe life can be explained by physical matter, while vitalists argue for a non-physical element. The debate revolves around whether matter alone can account for life's complexity or if an additional 'animating' force is necessary. However, both perspectives acknowledge the vast unknown in our understanding of life.

Shownotes Transcript

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: https://notion.com/lex) – Motific: https://motific.ai) – Shopify: https://shopify.com/lex) to get $1 per month trial – BetterHelp: https://betterhelp.com/lex) to get 10% off – AG1: https://drinkag1.com/lex) to get 1 month supply of fish oil

Transcript: https://lexfridman.com/sara-walker-3-transcript)

EPISODE LINKS: Sara’s Book – Life as No One Knows It: https://amzn.to/3wVmOe1) Sara’s X: https://x.com/Sara_Imari) Sara’s Instagram: https://instagram.com/alien_matter)

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 (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