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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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21 ноя 1905 г. - Einstein discovered the mass energy equivalent.
Добавлено на ленту времени:
Einstein
By
terri crist
20 окт 2018
0
0
346
Дата:
21 ноя 1905 г.
Сейчас
~ 120 г назад
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