⏰ when
When was the first positron discovered?
PhysicsAntimatter
Quick Answer
In 1932, Carl Anderson discovered the positron, the electron’s antiparticle.
The Full Story
Carl Anderson discovered the positron in 1932 while studying cosmic rays. He observed a particle with the same mass as an electron but with positive charge in a cloud chamber. The positron was the first antimatter particle ever identified. This discovery was a major milestone in modern physics and led to a broader understanding of particles and antiparticles.
Key Facts
1.Discovery year: 1932
2.Scientist: Carl Anderson
3.First antimatter particle identified
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"Antimatter was real all along—and it was found in 1932."