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1. it comes from an source of light.The real cal howard said:Probably. But just following one isn't enough.
The light comes from a full moon, there light is focused into a beamAssaltwaffle said:What source of light does it come from? Refraction is certainly a good indicator if other supporting facts are with it.
correct, just focused into a beam of light without it going anywhere else. Also, it is to calc something else besides just light speed.Assaltwaffle said:Well as long as it is only focused, not redirected or redistributed, I think it should be OK.