Inventions That Changed the World - Season 1 Episode 5 The Television

Inventions That Changed the World
Available Formats Inventions That Changed the World Secure Scanned : 10/31/2024 Watch HD Download HD
Inventions That Changed the World

Inventions That Changed the World - Season 1 Episode 5 The Television

Inventions That Changed the World - Season 1 Episode 5 The Television

Overview: Television would never have developed without the cathode ray tube (CRT). It was invented by a German, Karl Ferdinand Braun, in 1897. A CRT is a glass vacuum tube with a narrow neck that flares into a flat "screen" at one end. The inside surface of the screen is covered with a phosphorescent layer. Electrons are fired at high voltage along the tube, illuminating when they hit the phosphorescent layer. Refined versions of this basic tube were at the heart of millions of TVs, radars and computer monitors manufactured in the 20th century.

Watch Trailer First Air Date: Jan 15, 2004 Last Air date: Feb 12, 2004 Season: 1 Season Episode: 5 Episode Runtime: 60 minutes Quality: HD IMDb: 7.50 / 10 by 2 users Popularity: 6.683 Language: English

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