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electrolysis

(Encyclopedia)CE5 Electrolysis: In a typical reaction electrodes are placed in a solution of hydrogen chloride, HCl, which contains both hydrogen and chlorine ions. The battery removes electrons from the anode, ...

Langevin, Paul

(Encyclopedia)Langevin, Paul läNzhəvăNˈ [key], 1872–1946, French physicist and chemist. He was professor of experimental physics at the Collège de France from 1909 and at the École municipale de Physique e...

complex ion

(Encyclopedia)complex ion, charged molecular aggregate (see ion), consisting of a metallic atom or ion to which is attached one or more electron-donating molecules. In some complex ions, such as sulfate, SO4−2, t...

Josephson, Brian David

(Encyclopedia)Josephson, Brian David, 1940–, British physicist, Ph.D. Cambridge, 1964. After several postdoctoral appointments, he joined the faculty at Cambridge in 1974. Josephson was co-recipient, with Leo Esa...

Krausz, Ferenc

(Encyclopedia)Ferenc Krausz, 1962– , b. Mór, Hungary, Hungarian physicist, studied at Eötvös Loránd University and Technical University of Budapest in Hungary ...

Lewis, Gilbert Newton

(Encyclopedia)Lewis, Gilbert Newton, 1875–1946, American chemist, b. Weymouth, Mass., grad. Harvard (B.A., 1896; Ph.D., 1899). He taught at Harvard and at the Massachusetts Institute of Technology (1907–12) and...

Ruska, Ernst

(Encyclopedia)Ruska, Ernst, 1906–88, German electrical engineer. By applying the discovery that electron waves are 100,000 times shorter than those of light, Ruska built a microscope that used a beam of electrons...

Siegbahn, Kai Manne Borje

(Encyclopedia)Siegbahn, Kai Manne Borje, 1918–2007, Swedish physicist, son of Karl Siegbahn. He earned his doctorate at the Univ. of Stockholm in 1944 and later taught at the Royal Institute of Technology, Stockh...

Richardson, Sir Owen Willans

(Encyclopedia)Richardson, Sir Owen Willans, 1879–1959, British physicist, Ph.D. University College, London, 1904. He was a professor at Princeton from 1906 to 1913 and at King's College London from 1914 until his...

electronics

(Encyclopedia)electronics, science and technology based on and concerned with the controlled flow of electrons or other carriers of electric charge, especially in semiconductor devices. It is one of the principal b...