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digital recording

Overview page. Subjects: Physics — Media Studies.

The conversion of analogue video and/or sound signals to digital data through a process of digitization and the storage of this in the form of a discontinuous signal consisting of a series...

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Kalmus, Herbert Thomas

Elizabeth Noble Shor.

in American National Biography Online

January 1999; p ublished online February 2000 .

Reference Entry. Subjects: Engineering and Technology; Film; Physics. 1610 words.

Kalmus, Herbert Thomas (09 November 1881–11 July 1963), and Natalie Mabelle Dunfee Kalmus (1883–15 November 1965), cinematographer, were born, respectively, in Chelsea, Massachusetts, and...

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Kalmus, Natalie Mabelle Dunfee

in American National Biography Online

January 1999; p ublished online February 2000 .

Reference Entry. Subjects: Engineering and Technology; Film; Physics. 4 words.

See Kalmus, Herbert Thomas

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Kompfner, Rudolf

Henry Lowood.

in American National Biography Online

January 1999; p ublished online February 2000 .

Reference Entry. Subjects: Radio; Physics. 1256 words.

Kompfner, Rudolf (16 May 1909–03 December 1977), physicist and radio engineer, was born in Vienna, Austria, the son of Bernhardt Kompfner, an accountant and musician, and Paula Grotte. His...

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Marconi, Guglielmo

Giorgio Dragoni.

in Oxford Dictionary of National Biography

September 2004; p ublished online September 2004 .

Reference Entry. Subjects: Engineering and Technology; Radio; Physics. 3218 words.

Marconi, Guglielmo (1874–1937), physicist and inventor of wireless transmission, was born on 25 April 1874 in Bologna, Italy, the son of Giuseppe Marconi (1826–1904), a local administrator...

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Moore, Sir Patrick Alfred Caldwell-

Alex May.

in Oxford Dictionary of National Biography

P ublished online January 2016 .

Reference Entry. Subjects: Television; Radio; Astronomy and Astrophysics. 2488 words.

Moore, Sir Patrick Alfred Caldwell- (1923–2012), astronomer and broadcaster, was born Patrick Alfred Moore on 4 March 1923 at Innamincka, 22 Cannon Lane, Pinner, Middlesex, the only child...

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Robinson, John Ebdon [known as John Ebdon]

Patrick Moore.

in Oxford Dictionary of National Biography

March 2013; p ublished online January 2009 .

Reference Entry. Subjects: Television; Radio; Astronomy and Astrophysics; Art; Museums, Libraries, and Information Sciences. 994 words.

Robinson, John Ebdon [known as John Ebdon] (1923–2005), planetarium director and broadcaster, was born on 22 December 1923 at Durham House, 102 Crouch Hill, London, the son of William Ewart...

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Sagan, Carl

Keay Davidson.

in American National Biography Online

P ublished online June 2000 .

Reference Entry. Subjects: Politics; Radio; Astronomy and Astrophysics; History of Science and Technology. 2958 words.

Sagan, Carl (09 November 1934–20 December 1996), space scientist, author, science popularizer, TV personality, and antinuclear weapons activist, was born Carl Edward Sagan in Brooklyn, New...

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secondary colour

Overview page. Subjects: Media Studies — Physics.

A colour resulting from the mixture of two primary colours (1). US secondary color. Also called a binary colour. See also metamer.

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