Episode

Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Science & Medicine 26
Natural Sciences 10

Astronomy Cast brings you a weekly fact-based journey through the cosmos.

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Ep. 368: Searching for the Aether Wind: the Michelson–Morley Experiment

February 23rd, 2015

Episode 402 of 464 episodes

Waves move through a medium, like water or air. So it seemed logical to search for a medium that light waves move through. The Michelson-Morley Experiment attempted to search for this medium, known as the “luminiferous aether”. The experiment gave a negative result, and helped set the stage for the theory of General Relativity.

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