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formula weight

(Encyclopedia)formula weight, in chemistry, a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a formula by the number of atoms of that element present in the formula, an...

European Space Research and Technology Center

(Encyclopedia)European Space Research and Technology Center (ESTEC): see European Space Agency. ...

Rogers, Richard George, Baron Rogers of Riverside

(Encyclopedia)Rogers, Richard George, Baron Rogers of Riverside, 1933–2021, British architect, b. Florence, Italy, Architectural Association, London (A.A. Dipl....

Cardozo, Benjamin Nathan

(Encyclopedia)Cardozo, Benjamin Nathan kärdōˈzō [key], 1870–1938, American jurist, associate justice of the U.S. Supreme Court (1932–38), b. New York City. Educated at Columbia Univ., he practiced law until...

thermodynamics

(Encyclopedia)thermodynamics, branch of science concerned with the nature of heat and its conversion to mechanical, electric, and chemical energy. Historically, it grew out of efforts to construct more efficient he...

torture

(Encyclopedia)torture, the intentional infliction of severe physical or mental pain or suffering in order to intimidate, coerce, obtain information or a confession, or punish. In international law, the term is usua...

libido

(Encyclopedia)libido lĭbēˈdō, –bīˈ– [key] [Lat.,=lust], psychoanalytic term used by Sigmund Freud to identify instinctive energy with the sex instinct. For Freud, libido is the generalized sexual energy o...

Compton effect

(Encyclopedia)Compton effect [for A. H. Compton], increase in the wavelengths of X rays and gamma rays when they collide with and are scattered from loosely bound electrons in matter. This effect provides strong ve...

Carnot, Nicolas Léonard Sadi

(Encyclopedia)Carnot, Nicolas Léonard Sadi kärnōˈ [key], 1796–1832, French physicist, a founder of modern thermodynamics; son of Lazare N. M. Carnot. His famous work on the motive power of heat (Réflexions ...

Enewetak

(Encyclopedia)Enewetak, Enewetok, or Eniwetok ĕnĭwēˈtŏk, ĕnēˈwĕtôk [key], circular atoll, central Pacific, one of the Ralik Chain in the Marshall Islands. Enewetak is c.50 mi (80 km) in circumference and...