3min chapter

Lex Fridman Podcast cover image

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

Lex Fridman Podcast

CHAPTER

Introduction

The Laser Interferometer Gravitational Wave Observatory is probably the most precise measurement device ever built by humans. It consists of two detectors with four kilometer long vacuum chambers situated 3,000 kilometers apart to measure a motion that is 10,000 times smaller than the width of a proton. Barry Barish won the Nobel Prize in Physics for his contributions to the LIGO detector and the observation of gravitational waves.

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