Lex Fridman Podcast
#403 – Lisa Randall: Dark Matter, Theoretical Physics, and Extinction Events
Lisa Randall
Exactly. No, but it is a metaphor, but it also captures something because the fact is we don't directly see it. So we forget it's there or we don't understand it's there or we think it's not. The fact that we don't see it makes it no less legitimate. It just means that we have challenges in order to find out exactly what it is.
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