In the grand body of the universe and even our own solar system the speed of light is incredibly slow on the cosmic scale. Why does it have this speed limit ? It is theoretically possible to go faster than light ? Or is light just the fastest thing we have observed thus far ?
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Anything without mass moves at c2 (speed of light in a vacuum). Nothing with ANY mass at all can go c2 because the faster an object with mass goes, the more energy required to increase speed. At c2, the energy required is literally infinite, which makes it not possible to accelerate to or past c2.
Fun fact, from the point of view of anything going c2, time doesn’t really exist. From the moment c2 is reached until its destination, to that object, no time has passed at all. It’s literally instantaneous.
There are theoretical particles that flow backward through time. In a way, they travel faster than light, since speed and time are intrinsically connected the way we measure them. Only way to go faster than instantaneous is to literally arrive at a destination before you left.
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