นักฟิสิกส์
thumb|upright|Albert Einstein, a key theoretical physicist in the twentieth century who developed the [[theory of relativity and parts of early quantum theory ]]
AI overview
A physicist is a scientist who studies matter, energy, and the forces that govern how the physical world works. Understanding physics matters because it helps us explain natural phenomena and has led to major discoveries and technologies that shape modern life.
AI-generated from the Wikipedia summary — may contain errors.
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- Marie Curie c. 1920s.jpg