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Lakhram Vassilikos wrote:bertietaylor wrote:Volney wrote:Even solar sails use that effect (momentum of sunlight).No that is a heat engine. Temperature differences on either side cause
the motion. Radiant heat is em waves raising the temperature on one
side, that facing the sun.you don't undrestand, what gives "the rise in temperature on one side"?
Temperature of vacuum?
Plain electromagnetic in action. The electrical field impinging on the
sail creates a current which creates heat from resistance of the
circuit. Thus heat causes motion as in all heat engines.
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