Is there any phenomenon capable of replacing light?

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Boltzman Oscillation
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This matter would be able to do everything that light does.
 

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Boltzmann Oscillation said:
This matter would be able to do everything that light does.
Light travels at light speed. Does matter do that? :wink:
 
If something that wasn't light were to do everything that light does then no experiment could, even in principle, distinguish it from light. Thus, as far as physics is concerned, it would be light - the question of whether it was "really" light or something different is not a scientific question.

This thread is closed because it's not about science.