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#305 – Martin Rees: Black Holes, Alien Life, Dark Matter, and the Big Bang
Lex Fridman Podcast
The Big Bang and New Theories of the Universe
We can extrapolate back to when the universe was a nanosecond old. And I think we can do it with as much confidence as anything a geologist tells you about the early history of the Earth. But since it's so far from our experimental range of detectability, we are still groping for ideas. We just have ideas until we have something like string theory or some other clues to the ultra universe that's going to remain speculative. So there's this search literally upon an unintended our searching in the dark here in this giant parameter space of possible particles which could be very hard to detect.
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