why is it always rubidium?

Luciteria: https://www.luciteria.com/blog/2020/1... Link to patreon:   / acollierastro   I have merch: https://store.dftba.com/collections/a... I’m on Nebula!: https://go.nebula.tv/angelacollier Business/pr may contact my management: Email: acollierastro@gmail.com Mail: C/o Angela Collier PO Box 201 55 S Pioneer Blvd, Springboro, OH 45066 00:00 Introduction 02:04 Rubidium 06:24 Quantum Quantum Quantum 11:22 Why is it always Rubidium? 14:19 Some uses of Rubidium 16:09 Credits 18:42 My Eric Cornell story