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Darren New wrote:
> scott wrote:
>> I wonder how many photons typically exist?
>
> Mu.
>
> That is the answer that unasks the question.
>
> The question doesn't make sense to ask. If you didn't look at the
> photon, it might or might not have existed. Then there are virtual
> photons, which come and go, which by definition you cannot look at.
>
> There's probably some statistical thing that'll tell you some expected
> numbers, but it's not really the same question.
How about gravitons then? :-D
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