Quote:
Originally Posted by alocky
OK - try a reductio ad absurdum then. Why not just add the same sub to itself 10 times?
cheers,
Andrew.
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Are we talking at cross purposes? I don't see the relevance of that to my argument?
Simple thought experiment: three photons arrive at a perfect single pixel detector at times t1, t2 and t3 where: 0 < t1 < 10, 0 < t2 < 10, 10 < t3 < 20. If we take a 20 second exposure then we capture 3 photons. If we take two 10 second exposures we capture 2 photons in the first and 1 in the second. We stack/sum the exposures and get 3 photons again. The two situations are equivalent and whether we stack or not has no influence on the outcome.
I'm happy to be corrected if my simplistic argument has holes in it...