Mannich Manic

The Mannich reaction, named after German chemist Carl Ulrich Franz Mannich (1877-1947), is the amino-alkylation of an acidic proton placed next to a carbonyl functional group with formaldehyde and ammonia or any primary or secondary amine. The final product is a β-amino-carbonyl compound. Reactions between aldimines and α-methylene carbonyls are also considered Mannich reactions because these imines form between amines and aldehydes. Manic: an individual affected with mania.

Wednesday, October 25, 2006

I Really Love Math

0.999... = 1?

Let c = 0.999…

10c = 9.999…

10c − c = 9.999… − 0.999…

9c = 9

c = 1

This just doesn't sound right to me.

Source: http://en.wikipedia.org/wiki/0.999...

Mannich Manic

Wednesday, October 25, 2006

I Really Love Math

Tuesday, October 24, 2006

Precious, Aren't They?

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