3min chapter

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

Lex Fridman Podcast

CHAPTER

The Laser Interferometer Gravitational Wave Observatory

LIGO is a laser interferometer gravitational wave observatory. It has two long vacuum pipes 10 to four kilometers long. The earth itself is moving all over the place all the time so somehow it's moving so much that you we can't deal with that, he says.

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