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shape memory

(Encyclopedia)shape memory, property possessed by certain alloys that allows them to return, when heated, to their original shape after having been deformed. This effect results because, as the alloy is deformed, i...

Sloan, Alfred Pritchard, Jr.

(Encyclopedia)Sloan, Alfred Pritchard, Jr., 1875–1966, American businessman and philanthropist, b. New Haven, Conn., grad. Massachusetts Institute of Technology, 1895. He began his career as a draftsman for the H...

damascening

(Encyclopedia)damascening –skēnˈ– [key], the art of decorating iron, steel, or bronze with inlaid threads of gold or silver, or producing a watered effect in forging, as in sword blades, gun barrels, and vari...

fifth force

(Encyclopedia)fifth force, postulated fifth basic force of nature (the four known forces of nature are gravity, electromagnetism, and the strong and weak interactions). Proposed in 1986 to account for gravitational...

Indian Reorganization Act

(Encyclopedia)Indian Reorganization Act, legislation passed in 1934 in the United States in an attempt to secure new rights for Native Americans on reservations. Its main provisions were to restore to Native Americ...

Montero Ríos, Eugenio

(Encyclopedia)Montero Ríos, Eugenio āo͞ohāˈnyō mōntāˈrō rēˈōs [key], 1832–1914, Spanish statesman and jurist. He was professor of canon law at the universities of Oviedo, Santiago, and Madrid. He ent...

aureole, in physics

(Encyclopedia)aureole ôrˈēōlˌ [key], in physics, luminous circle seen when the sun or other bright light is observed through a diffuse medium, i.e., smoke, thin cloud, fog, haze, or mist. It sometimes occurs a...

Olitski, Jules

(Encyclopedia)Olitski, Jules ŏlĭtˈskē [key], 1922–2006, American painter, b. Russia as Jevel Demikovsky. While considered a color-field painter (see color-field painting), Olitski produced works that are free...

Krogh, Schack August Steenberg

(Encyclopedia)Krogh, Schack August Steenberg shäk ouˈgo͝ost stānˈbĕrg krôkh [key], 1874–1949, Danish physiologist. He taught at the Univ. of Copenhagen (1916–45) and studied respiration, circulation, and...

Lange, Friedrich Albert

(Encyclopedia)Lange, Friedrich Albert frēˈdrĭkh älˈbĕrt längˈə [key], 1828–75, German neo-Kantian philosopher. He accepted the materialistic method of investigating phenomena but rejected its concept of ...