How does light speed up after leaving glass or water? What do light and the President of the United States have in common?

Direct download: The_Speed_of_Light_in_Glass.mp4
Category:science & medicine -- posted at: 9:00am EDT



-->

Syndication

Categories

Archives

June 2024
S M T W T F S
     
            1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30