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Doppler effect: Media
physics
Videos
Understand the proof of Albert Einstein's special relativity equation
Proof of Albert Einstein's special relativity equation E = mc2.
Video: © MinutePhysics (A Britannica Publishing Partner)
What would traveling at light speed really look like?
Scientists simulating travel at the speed of light.
Video: Contunico © ZDF Studios GmbH, Mainz
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