Phreaky Physics (rebroadcast)
Big Picture Science
00:00
Time and Space Are Not Fixed, but Relative
Hakim Olusey was 10 years old when he learned that time and space were not fixed, but relative. Einstein discovered that the actual passage of time could change. Time dilation is a consequence of the fact that the speed of light is always the same. We'll find out how a more than century old theory continues to keep physicists busy.
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