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Whose discovery first revealed the existence of radioactivity?
SciencePhysics
Quick Answer
Henri Becquerel discovered radioactivity in 1896. He found that uranium salts could fog photographic plates without sunlight.
The Full Story
Henri Becquerel, a French physicist, discovered radioactivity in 1896 while studying phosphorescent materials. He found that uranium salts emitted penetrating rays that exposed photographic plates even in the dark. This unexpected result opened a new field in physics and chemistry. Becquerel shared the 1903 Nobel Prize in Physics with Marie and Pierre Curie for the discovery and study of radioactivity.
Key Facts
1.1896: Becquerel discovered radioactivity
2.Uranium salts affected photographic plates in darkness
3.1903: he shared the Nobel Prize with the Curies
YouTube Angle
Suggested video title for this topic:
"The accidental discovery that opened the atomic age"