Is there any phenomenon capable of replacing light?

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SUMMARY

The discussion centers on the theoretical possibility of a phenomenon that could replace light in its functions. It asserts that if a form of matter could replicate all properties of light, it would be indistinguishable from light in a scientific context. The conversation emphasizes that the distinction between light and such matter is not a scientific question, as it would behave as light does. Ultimately, the thread concludes that this topic diverges from scientific inquiry.

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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.
 

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