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16th May 2009 | 17:27

#2 (permalink)

green granite

More bang for your buck

Joined: Nov 2005

Posts: 3,513

Likes: 1

From: land of the clanger

Sorry it just failed it's first test.
I asked "If an airoplane is on a conveyor belt which moves in the opposite direction to the wheels, will it take off"

Got the reply: Wolfram|Alpha isn't sure what to do with your input.

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