How Luminiferous Aether Led to Relativity
PBS Space Time

How Luminiferous Aether Led to Relativity

C1AdvancedOctober 13, 202620 min
  • Science

PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE ↓ More info below ↓ Uploaded 11-05-20 Sign Up on Patreon to get access to the Space Time Discord! https://www.patreon.com/pbsspacetime Check out the Space Time Merch Store https://pbsspacetime.com/ Sign up for the mailing list to get episode notifications and hear special announcements! https://mailchi.mp/1a6eb8f2717d/spacetime As the 19th century came to a close, physicists were feel...

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of their science.

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C1 · Advanced

Fast, dense and idiomatic

A1 22%A2 40%B1 23%B2 13%C1 2%
  • 85% of the words are B1 or easier.
  • 131 words a minute: a natural pace.
  • 134 harder words (B2 and up) in the whole episode.

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As the 19th century came to a close, physicists were feeling pretty satisfied with the state of their science. The great edifice of physical theory seemed near complete. A few minor experiments remained to verify everything, but little did those physicists

0:16

know that one of those experiments would bring the entire structure crashing down, paving the way for the physics revolutions of the 20th century. In 1894, the eminent physicist Albert Abraham Michelson described the state of his science like this.

0:38

It seems probable that most of the grand underlying principles have been firmly established, and that further advances are to be sought chiefly in the rigorous application of these principles to all the phenomena which come under our notice. Michelson had lived this principle.

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