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jan 7, 1942 - Stephen Hawking (1942) Va descobrir que els forats negres poden emetre radiacions, evaporar-se o desaparèixer, (meitat del segle XX)
Added to timeline:
7 Jan 2018
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Científics de l'Univers de Maria Dotú (1r btx A)
Date:
jan 7, 1942
Now
~ 82 years ago