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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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30 mar 1897 año - J.J. Thomson determined the charge to mass ratio of electrons.
Añadido al timeline:
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Tommy Worcester
27 sep 2017
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730
fecha:
30 mar 1897 año
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~ 128 years ago
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