Word: particleâ
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...relativity as one of the twin pillars of their science. But at its heart is an almost philosophical aspect that deeply troubled Einstein. It is the uncertainty principle, which says, for example, that it is impossible to tell both the exact position and the momentum of a single atomic particle???an electron, say?because the very act of observing disturbs it. Only by statistical means (like those used to determine probability in dice or poker) can a scientist predict what the results of such an experiment will...
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