Lex Fridman Podcast
#433 – Sara Walker: Physics of Life, Time, Complexity, and Aliens
Sarah Walker
You know, all the sort of classic definitions people want to use just don't work. They don't work in all cases. So Carl Sagan had this wonderful essay on definitions of life where I think he talks about aliens coming from another planet. If they saw Earth, they might think that cars were the dominant life form because there's so many of them on our planet.
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