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Here Is An Analogy

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Posted by Michael Libbie on March 13, 2001 10:20:29 UTC

suppose that i serve two people a cup of coffee. one person says that it is too hot and the other thinks that it is too cold. so i go an get a thermometer and test the temp of both cups of coffee and find out that the temp of the coffee is 50 degrees celsius. this in itself would be cosidered to be the temperature would it not? but would it be exact? no.
why? because the exact temperature of the coffee will never be known because the thermometer itself changes the temp of the coffee to some degree of measurement. so we could use a smaller thermometer that would decrease the amount of change measured in the coffee but in order to do so to an exact definition the thermometer would have to be infinatly small. which we know is impossible. even with mathematics one could only predict things so far.
as far as electrons go how would we be able to observe an electron when the means of doing so would actually(from what is known about physics and energy) move the electron to a different place.

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