Who REALLY invented the periodic table?
14:35
Hafnium - Periodic Table of Videos
17:08
Accidents and Regrets (and chocolate biscuits)
1:25:34
Investigating the Periodic Table with Experiments - with Peter Wothers
13:28
Alternative Periodic Table
20:36
RHENIUM (new) - Periodic Table of Videos
32:44
The Simple Math Problem That Revolutionized Physics
13:10
Black Nitrogen - Periodic Table of Videos
10:48