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Yep, this bulb contains elemental sodium, the same stuff that bursts into flame when it contacts water. But did you know that you can use it to make a sodium flame appear black? It’s surreal! #chemed #chemistry
41,110 views • 3 years ago •via X (Twitter)
10 Comments

Easterday3 years ago
Very Cool Phil! Thanks for sharing!

Josep Pascual Masana3 years ago
I want one!!! where to buy it?

Phillip Cook3 years ago
They’re available on Amazon, but are pricey. And you can’t just plug them into a standard outlet. You’ll need a ballast to power it properly.

M.Meh3 years ago
This is so cooooooool

S. Cummings3 years ago
That's awesome and would make a great demonstration

Phillip Cook3 years ago
I use it in my general chemistry class to illustrate emission and absorption.

Nick Mitchener is at crossjack.bsky.social💙🔻🌻3 years ago
@drskyskull I wish we had a low pressure sodium lamp

möbius-1(🐍)3 years ago
吸収スペクトル

Chris Makedonas3 years ago
Great presentation Phillip!

GMC Labs3 years ago
"HPS god bless the whole crop, please don't let me see no cops."
