30
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
2069567
172395
2

jan 1, 100 - Ptolemy's Discovery

Description:

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

Added to timeline:

Date:

jan 1, 100
Now
~ 1925 years ago