Science: Video in the Round

Can current television sets be equipped to play recorded programs that could be purchased and stored like so many hi-fi discs? Manufacturers have been competing for a decade to be first to provide a practical answer. Trouble is, both videotapes and films are too expensive to produce for the mass market. Standard long-playing records, which can be stamped out by the millions, cannot carry all of the information necessary to produce TV images and sounds; millions of electrical signals are required every second to create a TV picture.

Major Movies. Almost simultaneously, scientists in the U.S. and Europe have finally overcome the...

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