Sunday, November 18, 2007
Picture Frame
Tuesday, November 13, 2007
Thursday, November 1, 2007
Klein Bottle
" The Klein bottle is a non-orientable surface with no inside and no outside. Two M�bius bands lie on its surface along which one can continuous move from to both sides of the surface. The second M�bius band lies on the farther side, symmetric to the shown band."
PLUS, you can drink booze out of it!
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