Quantum interrogation

(Preposterous Universe) – Sean Carroll:

Quantum mechanics, as we all know, is weird. It’s weird enough in its own right, but when some determined experimenters do tricks that really bring out the weirdness in all its glory, and the results are conveyed to us by well-intentioned but occasionally murky vulgarizations in the popular press, it can seem even weirder than usual. …

preposterousuniverse…2006/02/27/quantum