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A simple way to understand the mass part. If a car hit you traveling at 3 kph it would hurt but not kill you. If it hit you at 100 kph it would kill you because the greater speed increases the mass. To travel at the speed of light would make the mass of the moving object to great for any amount of energy to propel it fast enough. I hope this helps.
If light can't escape the gravity of a black hole. Could we maybe use gravity in the future to travel????
Gazz
Last edited by cahullian; 24-02-2006 at 10:05 AM.
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