Hi, Kids. If you haven't seen this, this NASA "Picture of the Day" is well
worth a look for your physics kids. It contains a full explanation of the
illusion.
Daryl L. Taylor, Fizzix Guy
PAEMST '96
Internet Educator of the Year '03
Williamstown HS, NJ
Engineering Academy Rowan University
www.DarylScience.com
609.330.9571