Quote:
Originally Posted by TerryH
If we were driving our 911's at the speed of light, and then turned on our headlights.....
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Two problems;
1) Travel at the speed of light requires "infinite" energy. Travel beyond the speed of light would require "infinite-plus" energy.
2) On the space/time continuum, travel at the speed of light would require no movement in the "time" axis. At the speed of light, time stands still. "Time" is an essential component of the measurement of relative speed.