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homeopathy

(Encyclopedia)homeopathy hōmēŏpˈəthē [key], system of medicine whose fundamental principle is the law of similars—that like is cured by like. It was first given practical application by Samuel Hahnemann of ...

Calvo, Carlos

(Encyclopedia)Calvo, Carlos kärˈlōs kälˈvō [key], 1824–1906, Argentine diplomat and historian. He spent much of his life in diplomatic service abroad. He edited a collection of Latin American treaties and d...

teleportation, in physics

(Encyclopedia)teleportation, in physics, the transfer of key properties from one particle (or group of particles) to another a significant distance apart without a physical connection between the two particles (or ...

scanning tunneling microscope

(Encyclopedia)scanning tunneling microscope (STM), device for studying and imaging individual atoms on the surfaces of materials. The instrument was invented in the early 1980s by Gerd Binnig and Heinrich Rohrer, w...

separator, cream

(Encyclopedia)separator, cream, dairy machine used to separate fresh whole milk into cream and skim milk. Formerly the separation was made by the gravity method, allowing the cream to rise to the top of a pan and t...

stereoscope

(Encyclopedia)stereoscope stĕrˈēəskōpˌ [key], optical instrument that presents to a viewer two slightly differing pictures, one to each eye, to give the effect of depth. In normal vision the two eyes, being a...

Don Juan

(Encyclopedia)Don Juan dŏn wän, jo͞oˈən, Span. dōn hwän [key], legendary profligate. He has a counterpart in the legends of many peoples, but the Spanish version of the great libertine has become the most un...

Clement IV, pope

(Encyclopedia)Clement IV, d. 1268, pope (1265–68), a Frenchman named Guy le gros Foulques; successor of Urban IV. He was a lay adviser of King Louis IX of France, but after his wife's death he entered the church....

International style, in architecture

(Encyclopedia)International style, in architecture, the phase of the modern movement that emerged in Europe and the United States during the 1920s. The term was first used by Philip Johnson in connection with a 193...

González de León, Teodoro

(Encyclopedia)González de León, Teodoro, 1926–2016, Mexican architect, b. Mexico City. After studying at the National Autonomous University of Mexico (1942–47), he was a draftsman (1948–49) in Le Corbusier'...