Lex Fridman Podcast
#403 – Lisa Randall: Dark Matter, Theoretical Physics, and Extinction Events
Lisa Randall
These are big questions. These are big questions in pretty much every field. For the universe, we do consider it, it's everything there is by definition. But people now think about it as one of many universes. And of course, it's a misnomer. But could there be other places where there are self-contained gravitational systems that we don't even interact with?
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