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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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21 magg 1734 anni - "Charles du Fay através de estudos sobre os experimentos de Gray, descobriu a existência de dois tipos de eletricidade, conhecidos hoje como positiva e negativa."

Aggiunto al nastro di tempo:

Hist 2

ByLucas Dick
4 dic 2018
2
0
720

Data:

21 magg 1734 anni
Adesso
~ 291 years ago
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