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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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10 mar 1900 año - Gamma radiation is found to penetrate more than x-rays observed by Paul Ulrich Villard.
Añadido al timeline:
1st Nine Weeks Honor Project Chemistry
By
Ayanna
18 oct 2018
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443
fecha:
10 mar 1900 año
Ahora mismo
~ 125 years ago
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