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Lorentz, Hendrik Antoon
(Encyclopedia)Lorentz, Hendrik Antoon hĕnˈdrək änˈtōn lōˈrĕnts [key], 1853–1928, Dutch physicist, a pioneer in formulating the relations between electricity, magnetism, and light. He was one of the first...calcium hydroxide
(Encyclopedia)calcium hydroxide, Ca(OH)2, colorless crystal or white powder. It is prepared by reacting calcium oxide (lime) with water, a process called slaking, and is also known as hydrated lime or slaked lime. ...nihilism
(Encyclopedia)nihilism nīˈəlĭzəm [key], theory of revolution popular among Russian extremists until the fall of the czarist government (1917); the theory was given its name by Ivan Turgenev in his novel Father...Heisenberg, Werner
(Encyclopedia)Heisenberg, Werner vĕrˈnər hīˈzənbĕrk [key], 1901–76, German physicist. One of the founders of the quantum theory, he is best known for his uncertainty principle, or indeterminacy principle, ...Collins, Anthony
(Encyclopedia)Collins, Anthony, 1676–1729, English theologian; a friend of John Locke. He set forth the position of the deists and defended the cause of rational theology. His Discourse of Free Thinking (1713) wa...Bretonneau, Pierre
(Encyclopedia)Bretonneau, Pierre pyĕr brətônōˈ [key], 1778–1862, French physician. He performed (1825) the first successful tracheotomy for laryngeal diphtheria, wrote a treatise (1826) distinguishing betwee...Schleiden, Matthias Jakob
(Encyclopedia)Schleiden, Matthias Jakob mätēˈäs yäˈkôp shlīˈdən [key], 1804–81, German botanist. He was professor at the universities of Jena (1839–63) and Dorpat (1863–64). With Theodor Schwann, he...Kahneman, Daniel
(Encyclopedia)Kahneman, Daniel, 1934–, Israeli-American psychologist, b. Tel Aviv, Ph.D. Univ. of California, Berkeley, 1961. Born to Lithuanian parents, he spent his youth in France, and immigrated to what soon ...mathematics
(Encyclopedia)mathematics, deductive study of numbers, geometry, and various abstract constructs, or structures; the latter often “abstract” the features common to several models derived from the empirical, or ...ballistics
(Encyclopedia)ballistics bəlĭsˈtĭks [key], science of projectiles. Interior ballistics deals with the propulsion and the motion of a projectile within a gun or firing device. Its problems include the ignition a...Browse by Subject
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