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1 janv. 100 - Ptolemy's Discovery

Description:

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

Ajouté au bande de temps:

Gr. 8 Science Unit C Section 1.0 Timeline

ByApril Santos
5 nov. 2018
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Date:

1 janv. 100
Maintenaint
~ Il y a 1927 ans
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