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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...

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 ...

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...

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...

Maine, region and former province, France

(Encyclopedia)Maine mĕn [key], region and former province, NW France, S of Normandy and E of Brittany. It now comprises the departments of Mayenne and Sarthe and parts of Loire-et-Cher, Eure-et-Loir, and Orne. Le ...

Sarraute, Nathalie

(Encyclopedia)Sarraute, Nathalie nätälēˈ särōtˈ [key], 1900–1999, French novelist, b. Ivanovo, Russia, as Natasha Tcherniak; studied at the Sorbonne and Oxford. A lawyer, she joined (1925) a Paris firm. Sh...

Vienne, town, France

(Encyclopedia)Vienne, town (1990 pop. 30,386), Isère dept., SE France, on the Rhône River. It is a farm trade center with textile, metallurgical, and footwear industries. The capital of the Allobroges, Vienne (th...

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....