File:Atomicclock.jpg
Atomicclock.jpg (340 × 226 pixels, file size: 19 KB, MIME type: image/jpeg)
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Date/Time | Dimensions | User | Comment | |
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current | 02:47, 9 April 2005 | 340 × 226 (19 KB) | Svdmolen | Atomic clock - http://www.jpl.nasa.gov/images/earth/atomicclock.jpg {{PD}} category:science |
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