2min chapter

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#213 – Barry Barish: Gravitational Waves and the Most Precise Device Ever Built

Lex Fridman Podcast

CHAPTER

The Big Bang and Its Origins

Gravitational waves from earlier in the universe can help us understand about the big bang and all that kind of stuff. We don't know why we're here yes no we do not i don't mean it philosophically i mean it in terms of physics okay now what do i mean by that if i go into my laboratory at sern or somewhere and i collide particles together put energy together i make as much antimatter as matter right  Antimatter than annihilates matter and makes energy so in the early universe there you made somehow a lot of matter and antimatter but there was an asymmetry symmetry somehow there was more matter and antimater that matter and antim Matter annihilated each other

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