Weapons: Magic Bullet

Since the first atomic explosion at Alamogordo, N. Mex., in 1945, uranium has been the key ingredient in nuclear armaments. Now, in a surprising change of role, the heavy metal is showing promise in more conventional weapons. When fired from test guns, tiny uranium projectiles produced by California's TRW Systems and several other companies, have had such devastating effects on targets during recent demonstrations that the Department of Defense has been awarding contracts for further development work.

TRW's magic bullets are unimpressive at first glance. Less than 4 in. long and one-tenth of an inch thick, they resemble the steel...

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