Technology: The Useful Void

Though nature abhors the vacuum, businessmen have learned to regard it highly. By emptying air from sealed chambers to create a void, U.S. industry keeps the $16 billion electronics industry going, adds life to jet engines and makes the vitamins in cod liver oil easy to take. Sales of the machinery used to produce vacuums for industrial uses are growing 10% to 15% a year; awareness of the vacuum's almost limitless potential is growing even faster. Last week in Toronto this potential was probed at a meeting of physicists who specialize in working with vacuums. Though their esoteric experiments in...

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