File:01-10 becquerel.png
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Henri Becquerel's accidentally-exposed photographic plate, with handwritten notes, against a background made by wrapping photographic film around a chunk of uranium ore. Slide for "Introduction to Atomic Energy" lecture 1. (Wikimedia Commons and Matt LaVoie.)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:56, 4 September 2014 | | 1,920 × 1,080 (1.72 MB) | Publius (talk | contribs) | Henri Becquerel's accidentally-exposed photographic plate, with handwritten notes, against a background made by wrapping photographic film around a chunk of uranium ore. Slide for "Introduction to Atomic Energy" lecture 1. (Wikimedia Commons and Matt... |
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