A sign of the atomic age
February 6, 2009 1:53 PM Subscribe
Roto-Spheres were dramatic animated neon signs, with 16 spikes projecting from a central ball; the left and right hemispheres rotated in opposite directions, and the whole thing rotated as well. Only 234 were made, and not many are still working, but despite their rarity, they are somehow instantly recognizable as the ultimate signs of the atomic age.
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