Tuesday, 30 September 2008

Congruency


This is an interlocking jigsaw puzzle. The two pieces A and B are congruent according to Euclid, but yet they are not identical. Only one of them fits.
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Pasteur made great acheivements in chirality. Some tried to make fun of his idea that molecules could exist in two forms: A left (S) and and right (R) one. Since Euclid did not mention this, it must be wrong, according to the fundamentalists. Dogma can be right, but nature itself is always right.

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