Question

What is the speed of light ? Can anything else in this universe be faster than light ?​

Answer 1

Answer:

That's about 186,282 miles per second — a universal constant known in equations and in shorthand as "c," or the speed of light. According to physicist Albert Einstein's theory of special relativity, on which much of modern physics is based, nothing in the universe can travel faster than light.

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Answer 2

Answer:

299 792 458 m / s

While nothing can go faster than light in vacuum, it is pretty easy for particles to move faster than light in matter through some medium like glass.