This site includes a collection of diagrams and pictures of devices, many patented, whose intended operations violate the laws of physics. The site focuses mostly on perpetual motion machines, but also has pages on simply impractical devices or artistic impossibilities. The site is also available in Portugese.
%0 Electronic Source %A Simanek, Donald %D 2002 %T The Museum of Unworkable Devices %V 2017 %N 17 January 2017 %9 image/gif %U http://www.lhup.edu/~dsimanek/museum/unwork.htm
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