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New Age

(Encyclopedia)New Age, a term popularized in the 1980s to describe a wide-ranging set of beliefs and practices that are an outgrowth of the counterculture of the 1960s and 70s in the United States. Adherents of the...

San Francisco Ballet

(Encyclopedia)San Francisco Ballet, America's first classical ballet company, est. 1933 as the San Francisco Opera Ballet by the dancer Adolph Bolm. Based at the War ...

tritium

(Encyclopedia)tritium trĭtˈēəm [key], radioactive isotope of hydrogen with mass number 3. The tritium nucleus, called a triton, contains one proton and two neutrons. It has a half-life of 12.5 years and decays ...

Raman effect

(Encyclopedia)Raman effect räˈmən [key], appearance of additional lines in the spectrum of monochromatic light that has been scattered by a transparent material medium. The effect was discovered by C. V. Raman i...

robbery

(Encyclopedia)robbery, in law, felonious taking of property from a person against his will by threatening or committing force or violence. The injury or threat may be directed against the person robbed, his propert...

Austin, John

(Encyclopedia)Austin, John, 1790–1859, English jurist. He served (1826–32) as professor of jurisprudence at the Univ. of London, and his lectures were published (with additional material) as The Province of Jur...

Vazov, Ivan

(Encyclopedia)Vazov, Ivan ĭvänˈ väˈzôf [key], 1850–1921, Bulgarian poet, novelist, and playwright, the first professional man of letters in Bulgaria. His work was inspired by the political upheavals of the ...

wind shear

(Encyclopedia)wind shear, a sudden, drastic change in wind direction or speed over a comparatively short distance. Most winds travel horizontally, as does most wind shear, but under certain conditions, including th...

cataract

(Encyclopedia)cataract, in medicine, opacity of the lens of the eye, which impairs vision. In the young, cataracts are generally congenital or hereditary; later they are usually the result of degenerative changes b...

Simon, Herbert Alexander

(Encyclopedia)Simon, Herbert Alexander, 1916–2001, American social scientist and economist, b. Milwaukee, grad. Univ. of Chicago (B.A., 1936, Ph.D., 1943). A professor of computer science and psychology at Carneg...