Make this nifty indoor boomerang |
From Futility Closet: a cool little paper boomerang.
Mathematician Yutaka Nishiyama of the Osaka University of Economics has designed a nifty paper boomerang that you can use indoors.
Read the resthttp://feeds.boingboing.net/~r/boingboing/iBag/~3/niNhtT-8TcI/make-this-nifty-indoor-boomera.html
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