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10. Nov 2009|18:10 |
"How would you define life? Is it when a system reproduces itself? If that
is the case, plenty of computer programs could be called alive, while plenty
of people—sterile men and women, for example, or nuns—could not.
Things that are alive consume fuel, move around, and excrete waste products,
but so do automobiles, and no one would call them alive.
Schrödinger came to the conclusion that life is the one system that turns
the natural progression of entropy, moving from order to disorder, on its
head; living things are, effectively, machines that create order from disorder
in their environment. This, to him, was the essence of the process that staves
off the state of death. It is still not enough, though; a candle flame creates
order from disorder in its environment and is patently not alive." MICHAEL BROOKS
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