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23 h 50 m, 7 nov 1885 ano - November 8, 1895: Wilhelm Conrad Roentgen theorizes that fluorescent light shining through a paper wrapped tube must be the result of rays

Adicionado na linha do tempo:

ByTim
21 nov 2017
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Data:

23 h 50 m, 7 nov 1885 ano
Agora
~ 140 years ago