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Lightspeed: the greatest revelation in modern science

11th March 2020 @ 7:00 pm - 8:30 pm

How have physicists from the ancient Greeks to Einstein tackled the problem of how light travels and what discoveries did it lead them to along the way?

This talk explores how the fact that light travels at the same speed in all frames of reference is one of the greatest revelations of modern science. It led 20th Century physics to amazing, world-changing discoveries from E=mc2 to nuclear weapons.

Join John Spence as he tells the stories of some of the greatest experimental scientists in history as they searched in vain for the mysterious ‘aether’ and a frame of absolute rest in the universe.

Ticket prices:

  • Standard £16
  • Concession £10
  • Ri Members and Ri Patrons £7

Full details and booking


11th March 2020
7:00 pm - 8:30 pm
Event Category:


The Royal Institution
21 Albemarle Street
London,W1S 4BSUnited Kingdom
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020 7670 2955
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