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Right, the energy used to climb up the earth's gravity is not recovered on the way down... Though it would be really great if it could be...

A vivid image of what should exist acts as a surrogate for reality. Pursuit of the image then prevents pursuit of the reality -- John K. Galbraith
by Migeru (migeru at eurotrib dot com) on Thu Sep 4th, 2008 at 09:30:03 AM EST
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I'm pretty sure most of is used by the plane to keep on going forward as it descends towards landing...

Un roi sans divertissement est un homme plein de misères
by linca (antonin POINT lucas AROBASE gmail.com) on Thu Sep 4th, 2008 at 09:34:54 AM EST
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