File:PSM V74 D233 Thorium radioactive incandescent gas mantle placed above plant seeds.png
From Infogalactic: the planetary knowledge core
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Summary
Experiment on the effect of radiation (from unburned thorium gas mantle) on the germination and growth of timothy grass seed.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:11, 19 June 2017 | | 1,831 × 1,237 (628 KB) | Thales (talk | contribs) | Experiment on the effect of radiation (from unburned thorium gas mantle) on the germination and growth of timothy grass seed. |
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