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The
Probability Machine is a device resembling an enormous upended
pinball game. Thousands of plastic balls are dropped from the
top of the machine, bouncing down at random from peg to peg until
they land in compartments at the bottom. No one can tell in advance
where any individual ball will land -- but the distribution of
all the balls in all the compartments is regular and predictable.
These experiments repeatedly test an important aspect of the
Theory of Probability -- and show how science uses "chance"
to detect the laws of order in a world of random events.
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