Inventions at Nationalgeographic.com
Encounter some of the world's most interesting inventions while helping Professor Lou Knee fire up his latest gadget.
(Added: Mon Jan 01 2001 Hits: 390 Rating: 0.00 Votes: 0)
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Totally Absurd Inventions
From the tricycle lawn mower to the diaper alarm, read about some of the strangest patents ever applied for.
(Added: Mon Jan 01 2001 Hits: 510 Rating: 0.00 Votes: 0)
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