Thursday, December 28, 2006
Science & Technology at Scientific American.com: Ask the Experts: Environment: Why are snowflakes symmetrical? How can ice crystallizing on one arm 'k
Science & Technology at Scientific American.com: Ask the Experts: Environment: Why are snowflakes symmetrical? How can ice crystallizing on one arm 'know' the shape of the other arms on the flake?
# posted by Unknown @ 4:04 AM 
