Radiometer Crooke's Single

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Sir William Crookes invented the Radiometer Crooke's Single, a scientific device that accurately measures radiant flux, or the amount of radiant energy. It features a set of vanes or blades within a partial vacuum, distinguishing it from other radiometers. The Radiometer is a means of showing the relation between heat and the molecular activity of a gas in a visible way. It also shows that light is a form of energy and that it can be converted into other forms of energy. The vanes of Radiometer Crooke's Single exhibit a reaction to light or radiant energy, as they are subject to radiation pressure. While the reflective side reflects light, the absorptive side absorbs it. Product Code: SE.HL1166-01 Material: All Glass Show more