| So the issue with coincidence counters in general is that they count... coincidences. Only. Nothing else. White cards measure total photons. You can fool yourself very easily by ignoring the total intensity of the photons per second measured with coincidence counters. E.g.: going from some distribution at intensity of "1 unit" to some other distribution at intensities of 1/2, 1/4, etc... might all mean different things. Essentially the detector is acting as a filter, "picking out" subsets of the signal. The drop in intensity is due to the filtering being highly selective. However, if you read through many of these papers, including the quantum eraser paper, you'll note that they normalise the measurements so that they all look like they have unit intensity. This is misleading, because it looks like something is being changed ("erased"), but in reality its just that the experiment is being set up to increasingly filter to smaller and smaller subsets of the photon stream. Looking at this through the lens of the many worlds interpretation (MWI) completely removes the mystery, making this a very boring and ordinary experiment that reveals nothing new. Yet, "classical" QM theorists insist on breathlessly promulgating it as clear evidence of "quantum weirdness". It isn't weird. It's just purposefully misinterpreted to increase the mysticism. This is directly comparable to the behaviour of priests and holy men. Religions wouldn't have as many ardent adherents if there was no mystery. You gotta have the mystery! The magic! The miracles! Would Christianity be as popular if Jesus hadn't healed the sick and came back from the dead himself? Would QM get as much funding if it was just some boring maths? |