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Another of the many displays to brief youngsters on the fundamentals of atomic energy at the Atomic Energy Commission's Atomsville, U.S.A., area is this one which demonstrates relative weight. By pushing the oversize buttons connected to equal size cubes of different elements behind the portholes, the children learn that size and weight of copper, Iron, lead and uranium blocks are deceiving. Uranium is ten times as heavy as the same size block of aluminum. Atomsville is the AEC's exhibit for children at the World's Fair Hall of Science pavilion in New York on September 22, 1964. (Photo by AP Photo/DP)
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