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electronic mail

(Encyclopedia)electronic mail or e-mail, the electronic transmission of messages, letters, and documents. In its broadest sense electronic mail includes point-to-point services such as telegraph and facsimile (fax)...

diatom

(Encyclopedia)diatom dīˈətŏmˌ, –tōmˌ [key], unicellular organism of the kingdom Protista, characterized by a silica shell of often intricate and beautiful sculpturing. Most diatoms exist singly, although s...

diffraction

(Encyclopedia)diffraction, bending of waves around the edge of an obstacle. When light strikes an opaque body, for instance, a shadow forms on the side of the body that is shielded from the light source. Ordinarily...

drum, in music

(Encyclopedia)CE5 Drums drum, in music, percussion instrument, known in various forms and played throughout the world and throughout history. Essentially a drum is a frame over which one or more membranes or sk...

Chaplin, Charlie

(Encyclopedia)Chaplin, Charlie (Sir Charles Spencer Chaplin), 1889–1977, English film actor, director, producer, writer, and composer, b. London. Chaplin began on the music-hall stage and then joined a pantomime ...

theory

(Encyclopedia)theory, in music, discipline involving the construction of cognitive systems to be used as a tool for comprehending musical compositions. The discipline is subdivided into what can be called speculati...

Vancouver Island

(Encyclopedia)Vancouver Island (1991 pop. 579,921), 12,408 sq mi (32,137 sq km), SW British Columbia, Canada, in the Pacific Ocean; largest island off W North America. It is c.285 mi (460 km) long and c.30 to 80 mi...

will, in law

(Encyclopedia)will, in law, document expressing the wishes of a person (known as a testator) concerning the disposition of her property after her death. If a person dies intestate, i.e., without a valid will, statu...

Wuorinen, Charles Peter

(Encyclopedia)Wuorinen, Charles Peter wûrˈĭnən [key], 1938–2020, American composer, conductor, and pianist, b. New York City. Wuorinen studied at Columbia (B.A., 1961; M.A., 1963) and taught there, at the Man...

Simon, Paul

(Encyclopedia)Simon, Paul, 1941–, American singer, songwriter, and guitarist, b. Newark, N.J. A polished and intelligent folk-rock lyricist and performer, he first gained fame as half of Simon and Garfunkel (with...