The experiment that proved the universe doesn't have a 'wind'
In short: This video introduces the Michelson–Morley experiment, a cornerstone of modern physics. It explores how scientists attempted to detect the 'ether' and why their failure fundamentally reshaped our understanding of motion and light.
The Michelson–Morley experiment was designed to detect the existence of an 'ether wind.' At the time, it was believed that light required a medium to travel through, much like sound travels through air. By attempting to measure this medium's influence on light speed, researchers sought to understand the basic principles governing our physical world.
Understanding this experiment is essential for grasping special relativity and the fundamental nature of motion. The video provides context on how physics builds from these core concepts—motion, forces, and energy—to explain complex physical situations.
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Sources
- Summary by Intellect · source: Michelson–Morley Experiment introduction | Special relativity | Physics | Khan Academy
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