29
/
en
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
178661
15686
1
Create
Public Timelines
Library
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
jan 1, 1916 - Photoelectric effect proven
Description:
Experimentally by Robert Millikan
Added to timeline:
30 Oct 2017
1
0
628
Kacie and Rachel
Date:
jan 1, 1916
Now
~ 108 years ago