Francium - Tales from the Periodic Table
43:22
What determines the size of an atom?
22:43
Tungsten (new) - Periodic Table of Videos
49:20
Radium - Tales from the Periodic Table
15:25
Neon (new) - Periodic Table of Videos
20:57
Are there Undiscovered Elements Beyond The Periodic Table?
25:06
What is the i really doing in Schrödinger's equation?
31:12
How One Line in the Oldest Math Text Hinted at Hidden Universes
48:21