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1 янв 100 г. - Ptolemy's Discovery

Описание:

Ptolemy discovered how light beams bend when traveling from air to glass.

Добавлено на ленту времени:

Gr. 8 Science Unit C Section 1.0 Timeline

ByApril Santos
5 ноя 2018

Дата:

1 янв 100 г.
Сейчас
~ 1925 г назад
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