What do the inventors behind Post-it Notes, robotic ants, Kevlar and the telephone have in common with children? Play! And check out the on-line exhibition.
http://americanhistory.si.edu/exhibitions/exhibition.cfm?key=38&exkey=92
Showing posts with label velcro. Show all posts
Showing posts with label velcro. Show all posts
Thursday, June 2, 2011
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