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Originally Posted by Debsy42
Well Xaccers is a brain box on things like this, where is he when we need him  |
The faster an object travels, the more massive it becomes. As an accelerating object gains mass and thus becomes heavier, it takes more and more energy to increase its speed. It would take an infinite amount of energy to make an object reach the speed of light.
Google is my friend
There is a whole other thread in this, as more modern thinking, based on quantum mechanics & string theory, suggests for example, that the speed of light is not constant & that there are more than the 'normal' 4 dimensions.
