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9 June, 1905: Einstein's seminal article on the photoelectric effect, received by "Annalen der Physik" March 18, was published.
The article proposed the idea of light quanta, extending Planck's quanta to light itself.βοΈππ§ͺ
onlinelibrary.wiley.com/doi/abs/10.1...
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Nereide
Happy Pride Month to everyone who brings a little more color to our world π³οΈβππ«Άπ³οΈββ§οΈ