What Is Light and Why Is It the Fastest Thing In the Universe?

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Light has always been a fundamental component of our universe. But what exactly is light?

It turns out that light in itself doesn’t dictate the universal constant that is the speed of light. It just happens that the fastest speed anything can reach in the universe is 299,792,458 meters/second. And because light doesn’t need a medium to spread, it isn’t really limited by anything and thus can travel at the universal speed limit without any restrictions.

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