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Originally Posted by Eagle Eye
I don't know if I am making this up or not, but isn't there a theory out there stating that if you can travel faster then the speed of light you would actually go back in time, or if you traveled at the speed of light time would stop?
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Think about walking 10 feet, except that every step you take, you only travel half the distance. You'll never reach the other side because you keep cutting it in half over and over again. You'll simply never make it.
Accelerating an object to the speed of light is like that. Every bit faster you go, the more exponential the energy needed is, until basically you need more than all the energy in the universe to get to the speed of light. You can never accelerate a slower than light object to be faster than light in normal physics. That's why light speed travel is impossible.