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6 janv. 1921 - El físico ruso Oleg Lossew observa de nuevo el "efecto Round" de la emisión de luz. En los años que suceden, de 1927 a 1942, examina y describe este fenómeno con más detalle.
Ajouté au bande de temps:
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Bastian Quillay Tapia
19 août 2019
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Date:
6 janv. 1921
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~ Il y a 104 ans
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