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Technology Stocks : How high will Microsoft fly?
MSFT 487.71-0.1%Dec 26 9:30 AM EST

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To: John F. Dowd who wrote (66905)4/9/2002 11:29:33 AM
From: John F. Dowd  Read Replies (1) of 74651
 
Actually I had the name wrong. It was Heisenberg. But I never was a German scholar.

Heisenberg took this one step further: he challenged the notion of simple causality in nature, that every determinate cause in nature is followed by the resulting effect. Translated into "classical physics," this had meant that the future motion of a particle could be exactly predicted, or "determined," from a knowledge of its present position and momentum and all of the forces acting upon it. The uncertainty principle denies this, Heisenberg declared, because one cannot know the precise position and momentum of a particle at a given instant, so its future cannot be determined. One cannot calculate the precise future motion of a particle, but only a range of possibilities for the future motion of the particle. (However, the probabilities of each motion, and the distribution of many particles following these motions, could be calculated exactly from Schrödinger's wave equation.)
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