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Whose discovery was radioactivity?
SciencePhysics
Quick Answer
Henri Becquerel discovered radioactivity in 1896. He found that uranium salts could expose photographic plates without sunlight.
The Full Story
Henri Becquerel, a French physicist, discovered radioactivity in 1896 while studying phosphorescent materials. He noticed that uranium compounds could fog photographic plates even when kept in the dark. This revealed a spontaneous emission of energy from atoms, something previously unknown. His discovery opened a new field in physics and chemistry and influenced Marie and Pierre Curie’s later research. Radioactivity would become central to nuclear science and medical imaging.
Key Facts
1.Discovery made in 1896
2.Uranium salts exposed photographic plates in darkness
3.The work helped launch nuclear science
YouTube Angle
Suggested video title for this topic:
"A dark-room accident that changed physics forever."