Word: bohr
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Dates: during 2000-2009
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Precisely what that fundamental uncertainty tells us about the basic nature of the subatomic world is a question theorists have been wrestling with for decades. The great Danish physicist Niels Bohr, for example, believed that before you pinned a particle down by measuring it, the particle was literally in several places at once. The act of measurement, he suggested, forced the particle to choose one location over all the others...