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Localized Radiation Energy Challenges Wave Picture

Einstein explicitly contrasted spatially localized light quanta with a purely continuous wave description, creating a fundamental tension that later developed into wave-particle duality.

Albert Einstein in a 1912 portrait
Albert Einstein, 1912. Photograph by J. F. Langhans — public domain. Wikimedia Commons source.
Year 1905BernPhysics

Localized Radiation Energy Challenges Wave Picture

1905 · Bern · Switzerland · Physics

Einstein explicitly contrasted spatially localized light quanta with a purely continuous wave description, creating a fundamental tension that later developed into wave-particle duality.