Science: Newest Nuclear Tests: What They Hope to Prove

Atomic Energy Commission scientists last week were "keyed up and ready" to take the U.S. into a new high level of nuclear testing. First shot on the agenda: a giant skyrocket exploding not more than 60 miles above Johnston Island, its sub-megaton flash visible in Hawaii 700 miles away, its power sending waves of electrical disturbance around the earth to be picked up by sensitive instruments.

Later shots in this latest series of U.S. nuclear tests will carry a bigger bang and go off far higher above the surface of the earth. If not obscured by clouds, these explosions will be seen...

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