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Hendrix, Jimi

(Encyclopedia)Hendrix, Jimi (James Marshall Hendrix), 1942–70, African-American rock guitarist, b. Seattle, Wash. Hendrix, in his short musical career, was known for an innovative and extremely influential guitar...

Leggett, Sir Anthony James

(Encyclopedia)Leggett, Sir Anthony James, 1938–, British physicist, Ph.D. Oxford, 1964. He was a professor at Sussex Univ., England, from 1967 to 1983, when he joined the faculty at the Univ. of Illinois at Urban...

Sitter, Willem de

(Encyclopedia)Sitter, Willem de vĭlˈəm də sĭtˈər [key], 1872–1934, Dutch astronomer and mathematician. He was professor from 1908 at the Univ. of Leiden and in 1919 became director of its observatory. His ...

potential, electric

(Encyclopedia)potential, electric, work per unit of electric charge expended in moving a charged body from a reference point to any given point in an electric field (see electrostatics). The potential at the refere...

color index

(Encyclopedia)color index, in astronomy, difference in an object's brightness as recorded between any two well-defined bands of the electromagnetic spectrum by using optical filters of different colors. If blue and...

albedo

(Encyclopedia)albedo ălbēˈdō [key], reflectivity of the surface of a planet, moon, asteroid, or other celestial body that does not shine by its own light. Albedo is measured as the fraction of incident light th...

Gregory, Wilton Daniel

(Encyclopedia)Gregory, Wilton Daniel, 1947–, American Roman Catholic cardinal, b. Chicago. Ordained in 1973, he was educated at Niles College (now St. Joseph's College Seminary) of Loyola Univ., Chicago, St. Mary...

states of matter

(Encyclopedia)states of matter, forms of matter differing in several properties because of differences in the motions and forces of the molecules (or atoms, ions, or elementary particles) of which they are composed...

abandonment

(Encyclopedia)abandonment, in law, voluntary, intentional, and absolute relinquishment of rights or property without conveying them to any other person. Abandonment also means willfully leaving one's spouse or chil...

algebra

(Encyclopedia)algebra, branch of mathematics concerned with operations on sets of numbers or other elements that are often represented by symbols. Algebra is a generalization of arithmetic and gains much of its pow...
 

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