When two surfaces at different temperatures are in presence of one another with a gas between them, there exists a force tending to separate them. The assumption of this force explains a very great number of phenomena, including the motion of the arms of Mr. Crooke's radiometers and the so-called spheroidal state of liquids.
George Francis FitzGeraldRelated topics
arms assumption different force gas great motion number phenomenon presence separate spheroidal state tendingRelated quotes
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