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

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:

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

EPISODE LINKS:

Sara’s Book – Life as No One Knows It: amzn.to/3wVmOe1

Sara’s X: x.com/Sara_Imari

Sara’s Instagram: instagram.com/alien_matter

PODCAST INFO:

Podcast website: lexfridman.com/podcast

Apple Podcasts: apple.co/2lwqZIr

Spotify: open.spotify.com/episode/5HGYYnnTW6crKauJ2wAvvk

RSS: lexfridman.com/feed/podcast

YouTube Full Episodes: youtube.com/lexfridman

YouTube Clips: youtube.com/lexclips

SUPPORT & CONNECT:

– Check out the sponsors above, it’s the best way to support this podcast

– Support on Patreon: patreon.com/lexfridman

– Twitter: twitter.com/lexfridman

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– LinkedIn: linkedin.com/in/lexfridman

– Facebook: facebook.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