Tuesday, October 23, 2007

National Mole Day, USA

Today according to Australian Eastern Standard Time when this item was posted

Mole Day is celebrated among chemists on October 23, between 6:02 a.m. and 6:02 p.m (i.e. 6:02 10/23 in an American date style). The time and date are derived from Avogadro’s number, which is 6.02×1023, defining the number of molecules in a mole, one of seven basic SI units.

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