File:Voyage in Space page286.png
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:36, 23 December 2015 | 1,575 × 1,370 (182 KB) | Keith Edkins | {{Information |Description={{en|1=Illustration of an experiment in which a number of pendulums manage to swing roughly through the same centre, with fewer collisions than might have been expected. An analogy to stars in a cluster or stream moving under... |
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