Letters: Dec. 20, 2004

The Most Amazing Inventions of 2004

"Burt Rutan has opened the door to relatively cheap travel to outer space. His creativity exemplifies the blaze of the American spirit."

TOM WILSON Libertyville, Ill.

I was excited to read about the coolest inventions of the year [Nov. 29]. With his innovative SpaceShipOne, Burt Rutan hit the ball not just out of the park but right out of the atmosphere. I was disappointed, however, that many of the creations you chose were impractical, half-baked ideas. Consider the Snow Boat, which, by means of an aluminum boat welded around a snowmobile, is supposed to solve...

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