18min chapter

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

Lex Fridman Podcast

CHAPTER

Gravitational Waves: Detecting the Undetectable

This chapter explores the complex concepts of gravitational waves and spacetime distortion using engaging analogies. It highlights the engineering challenges in developing sensitive instruments like LIGO to measure tiny changes in space, requiring exceptional precision. The discussion also emphasizes practical applications of these theories, especially how they impact technologies such as GPS navigation.

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