Henri Maltese Hats
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Description: A detailed scientific illustration of a photographic plate revealing the glowing silhouette of a Maltese cross, as in the 1896 experiment, above Bq, the unit of radioactivity, set against a deep dark background. In 1896 Henri Becquerel found that uranium salts darkened a wrapped photographic plate even without sunlight, revealing the outline of a metal cross. He had discovered radioactivity; its unit, the becquerel, bears his name. A gift idea for physicists, engineers and physics students, and a striking addition to a study, lab or office wall.
Becquerel and the Discovery of Radioactivity, Uranium Salts on a Photographic Plate Hat
by Science Design
$12 $19
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