Quizzes & Puzzles0 min ago
big bang
If nothing can travel faster than the speed of light how come most of the universe was created within 3 minutes of the big bang starting, surely things must have been moving faster than the speed of light, apologies to those of you in the know, if this is a very naive perspective.
regards
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For more on marking an answer as the "Best Answer", please visit our FAQ.Light speed is only the theoretical speed limit of the universe. The classic definition is Einstein's speed of light through a vacuum (C). Light eminating from a laser can travel through Ceasium at 300 x C.
There is also the phenomenon of Cherenkov Radiation. This is where electrons drop photons when they travel thus moving faster than light. A kind of light sonic boom.
http://www.picotech.com/experiments/speed_of_light/
If you are interested in measuring the speed of light try this link.( if it works ) .