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Is the speed of light a constant throughout the universe? I keep hearing stories how UFOs travel faster than the speed of light, but I would think that, if there were aliens out there, even they would be restricted by the speed of light.
- Thekherham (age 25)
The entire structure of modern physics would unravel if anything
resembling ordinary matter were found to travel faster than the speed
of light. Physics has made many predictions of extraordinary accuracy
relying on theories which would fall apart in that case. On the other
hand, the structure of modern psychology would not be much disturbed if
it were discovered that sometimes people imagine things.
(republished on 07/23/06)
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