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This overview highlights three of Albert Einstein’s groundbreaking discoveries that transformed our understanding of physics. First, he explained Brownian motion, revealing how the movement of tiny dust particles can be attributed to unseen atoms. Second, Einstein introduced the photoelectric effect, demonstrating how light can eject electrons from materials. Lastly, his theory of relativity redefined our concepts of space and time, illustrating that moving clocks tick more slowly and that objects appear compressed at high speeds. These principles continue to influence modern science.
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Einstein’s Three Great Discoveries • He explained how the motion of atoms could be seen. • He proved that light, which was not well understood, could be understood as being little “bullets” of light. • He discovered the theory of relativity, in which moving clocks ticked more slowly than stationary ones, and in which things moving quickly were skinnier than slow things. • This discovery showed that space and time were really the same thing . . . something that even today seems pretty weird.
1. Einstein explained Brownian Motion . . . why dust wanders around in a microscope. Real atoms (red) are too small too see, but you can see their effect on the speck of dust.
2. Photoelectric Effect How a beam of light could knock electrons out of a slab of material. Click Here!
3. Relativity 10% of the speed of light 86.5% At high speeds, objects appear compressed compared to stationaryobjects. 99% 99.99%
