If you know physics then post the math... show me the work. Airplanes stay in the air because the air pushes them up. If it takes so much excess energy how is it that solar powered flight is feasible?
http://news.nationalgeographic.com/news/2005/04/04 07_050407_solarairplanes.html
Fuel -- It is a myth that Gasoline needs to be made only from oil pumped from the ground. You can make it out of any organic source - vegtable oil would do. How about that for renewal.
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If you know physics then post the math ... show me the work. Airplanes stay in the air because the air pushes them up. If it takes so much excess energy how is it that solar powered flight is feasible?
http://news.nationalgeographic.com/news/2005/04/04 07_050407_solarairplanes.html
Fuel -- It is a myth that Gasoline needs to be made only from oil pumped from the ground. You can make it out of any organic source - vegtable oil would do. How about that for renewal.