Re:Vine seeds become gliders with 12% descent angle
by wallflower on Monday December 07, 2009 @05:59AM
(#981025)
Thanks for bringing back memories. As a kid, I was always fascinated (and still am) by the helicoptering action of maple seeds when my sisters and I dropped then into the air from our deck.
http://www.grc.nasa.gov/WWW/K-12/TRC/Aeronautics/Maple_Seed....