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Television , At the same time radio began to achieve commercial viability in the 1920s, the United States and Britain began experimenting with "television," the w… High definition television , HDTV • abbr. high-definition television, using more lines per frame to give a sharper image than a conventional television.
HDTV Abbrev. for high-def… Philo Taylor Farnsworth , Philo T. Farnsworth (1906-1971) is known as the father of television by proving, as a young man, that pictures could be televised electronically.
On… Air-cushion Vehicle , air-cushion vehicle
air-cushion vehicle (ACV), craft designed to travel close to but above ground or water. It is also called a ground-effect machine… Majority Rule , In the majority voting system, voters cast their ballots for their preferred candidate and the winner of the election is the candidate who receives a… Vladimir Kosma Zworykin , Vladimir Kosma Zworykin
The Russian-American physicist and radio engineer Vladimir Kosma Zworykin (1889-1982) made important contributions to the dev…
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