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Becquerel
(Encyclopedia)Becquerel bĕkərĕlˈ [key], family of French physicists. Antoine César Becquerel, 1788–1878, was a pioneer in electrochemical science. He was professor of physics at the Muséum d'Histoire nature...solar energy
(Encyclopedia)solar energy, any form of energy radiated by the sun, including light, radio waves, and X rays, although the term usually refers to the visible light of the sun. Solar energy is needed by green plants...diamagnetism
(Encyclopedia)diamagnetism: see magnetism.paramagnetism
(Encyclopedia)paramagnetism: see magnetism.ferromagnetism
(Encyclopedia)ferromagnetism: see magnetism.geomagnetism
(Encyclopedia)geomagnetism: see magnetism.motor, electric
(Encyclopedia) CE5 Motor: In the AC motor, current fed to the conducting loop of wire causes it to rotate in the magnetic field, thus turning the shaft on which the loop is mounted. In the DC motor, the direction...electrochemistry
(Encyclopedia)electrochemistry, science dealing with the relationship between electricity and chemical changes. Of principal interest are the reactions that take place between electrodes and the electrolytes in ele...logic
(Encyclopedia)logic, the systematic study of valid inference. A distinction is drawn between logical validity and truth. Validity merely refers to formal properties of the process of inference. Thus, a conclusion w...Arago, Dominique François
(Encyclopedia)Arago, Dominique François dômēnēkˈ fräNswäˈ ärägōˈ [key], 1786–1853, French physicist and astronomer. He is noted for his discoveries in magnetism and optics as well as for his astronomi...Browse by Subject
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