In article <firstname.lastname@example.org>, Martin Green <email@example.com> writes: (quoting <3AA0E93F.B67125CD@naz.edu>)
>> A friend in chemistry asked me recently about uses >> of topology that have found their way into the >> "real" world. I was hard pressed to give >> examples.
>> Can you help?
> Someone once developed a vidoe game that was supposed to be > like a 3-d version of Tetris. It was played on a spherical > planet that was laid out in a checkerboard. You could > rotate the sphere left, right, up, and down, and you always > saw this checkerboard pattern in front of you. > Topologically, this is impossible on a shpere! > How did the game developers solve this problem???
> (PS The answer is a perfect real-world application of > topology.)
The following may not be exactly what is being sought, but may come close:
"For me, the little Australopithecus baby has a personal history. In 1950, when its humanity was by no means accepted, I was asked to do a piece of mathematics. Could I combine a measure of the size of the Taung child's teeth with their shape, so as to discriminate them from the teeth of apes? I had never held a fossil skull in my hands, and I was by no means an expert on teeth. But it worked pretty well; and it transmitted to me a sense of excitement which I remember at this instant. I, at over forty, having spent a lifetime in doing abstract mathematics about the shape of things, suddenly saw my knowledge reach back two million years and shine a searchlight into the history of man. That was phenomenal." -- Jacob Bronowski, "THE ASCENT OF MAN"
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