A LITTLE SOMETHING WORTH KNOWING
A small discovery. Yours to pass on.
HistoryOne small ahaInvention or discoveryThis French physicist discovered spontaneous radioactivity in uranium salts in 1896.
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HistoryOne small aha
Your new ahaHenri Becquerel
✳ ahamoraReference ↗Becquerel found that uranium salts could affect photographic plates without sunlight. Source: Henri Becquerel ↗