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#213 – Barry Barish: Gravitational Waves and the Most Precise Device Ever Built
Lex Fridman Podcast
Measurements in Time - One Part in 10 to the 21 That's 21 Zeros and a One Okay Okay Okay So the Distortion in Time Is a Distorsion in Time and It's a Distortion in Time
Einstein himself didn't think this could be measured have we ever seen actually he said that but that's because he didn't you know anticipate modern lasers and and techniques that we developed okay. So maybe maybe the difficulty of uh doing so accurately is to measure a distortion in time how big is it one it's a distortion that's one part in 10 to the 21 that's 21 zeros and a oneOkay wow and this so this is like a delay in the thing coming back uh it's a one of them coming back after the other one but the difference is just one part in10 to the 21 so for that reason we make it big let it let the arms be long okay so one
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