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GRAND PRIZE WINNER
Subject: Perpetual Motion

When a cat is dropped, it always lands on its feet, and when toast is dropped, it always lands buttered side down. It was proposed to strap giant slabs of hot buttered toast to the back of a hundred tethered cats: the two opposing forces cause the cats to hover, spinning inches above the ground. Using the buttered toast/cat array, a high-speed monorail could easily be built from New York to Los Angeles.