I keep seeing the tear-drop referrenced as a natural aerodymamic
shape. It bugs me. 'cause raindrops are pretty much spherical.
Liquids take on a spherical shape when falling through air, that's how
lead shot is made.
http://www.eng.vt.edu/fluids/msc/my_pages/raindrops/raindrop.htm
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--
Michael D. Siewert
Department of Chemistry, University of Calgary
Calgary, Alberta, Canada
tel. 403 220 7228
fax. 403 289 9488
http://www.ucalgary.ca/~mdsiewer
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