From acollierastro.

Luciteria: https://www.luciteria.com/blog/2020/11/24/how-to-start-a-periodic-table-with-real-elements-collection

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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