Sara Walker: The Origin of Life on Earth and Alien Worlds | Lex Fridman Podcast #198
发布时间 2021-07-10 06:15:36 来源
摘要
Sara Walker is an astrobiologist and theoretical physicist interested in the origin of life. Please support this podcast by checking out our sponsors:
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EPISODE LINKS:
Sara's Twitter: https://twitter.com/Sara_Imari
Sara's Website: http://emergence.asu.edu/
PODCAST INFO:
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Clips playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOeciFP3CBCIEElOJeitOr41
OUTLINE:
0:00 - Introduction
1:53 - Origin of life
9:46 - Did aliens seed life on Earth?
14:57 - What is life?
26:36 - Cellular automata
31:04 - The laws of physics may change with time
40:50 - Nobel Prize for the origin of life
46:09 - Is consciousness fundamental to the universe?
57:28 - Life is the most deterministic part of physics
1:00:03 - Free will
1:08:20 - How to detect alien life
1:22:57 - How many alien civilization are out there?
1:29:41 - Shadow biosphere
1:36:08 - UFO sightings
1:39:43 - Exponential population growth of AI lifeforms
1:46:50 - The role of death in life
1:50:54 - Advice for young people
1:56:40 - Meaning of life
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