mar 1, 1896 - Henri Becquerel
Description:
The discovery of X-rays.
Henri Becquerel discovered radioactivity. In one of the most well-known accidental discoveries in the history of physics, on a sunny day on the 1st of March 1896, French physicist Henri Becquerel opened a drawer and discovered spontaneous radioactivity.
Added to timeline:
Atomic models throughout time
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