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Wave-Particle Duality Proposed for Radiation

Einstein argued that a future theory of light would need to combine wave structure with localized quantum structure instead of choosing only one classical description.

Albert Einstein lecturing in Vienna in 1921
Albert Einstein lecturing in Vienna, 1921. Photograph by Ferdinand Schmutzer — public domain. Wikimedia Commons source.
Read the explainer →Year 1909SalzburgPhysics

Wave-Particle Duality Proposed for Radiation

1909 · Salzburg · Switzerland · Physics

Einstein argued that a future theory of light would need to combine wave structure with localized quantum structure instead of choosing only one classical description.