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jan 1, 300 BC - Euclid's Discovery
Description:
Euclid discovered that when you shine a beam of light onto a flat mirror, its angle is equal to the reflection's angle.
Added to timeline:
5 Nov 2018
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Gr. 8 Science Unit C Section 1.0 Timeline
Date:
jan 1, 300 BC
Now
~ 2325 years ago