
The Unexpected Hero of Light
Initial Conditions: A Physics History Podcast
The Ether and Special Relativity
The Michelson Morley experiment is widely cited as the experiment that killed the ether. The device was so sensitive that someone walking 50 meters away could impact the readings. Albert Einstein's 1905 theory of special relativity, which proclaimed the constant speed of light in a vacuum, was really what gave ether its final blow.
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