Abstract
I HAVE not seen in recent literature any reference to the “tribo” luminescence shown by uranium salts, and by metallic uranium in particular. Having accidentally knocked over a bottle containing 2 grams of the latter substance, I was surprised to see the bottle glow with a brilliant yellowish-white light, and on shaking the bottle the luminosity could be maintained to such an extent that the label on the bottle was read with ease, and the general illumination seen easily throughout a large lecture-room. The best way to see the glow is to bring the bottle sharply down on the palm of the hand.
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RUDGE, W. Tribo Luminescence of Uranium. Nature 85, 207 (1910). https://doi.org/10.1038/085207b0
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DOI: https://doi.org/10.1038/085207b0
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