What I Learned Today

[Rock Steady]

Originally Posted by MaggieL

I suspect that by "triplet states" perhaps was meant

If you read a few posts back on this thread, you will see that some thought there was radioactive material in glow-in-the-dark products.

Instead of shooting from the hip, I looked up phosphorescence in Wikipedia. There I learned of triplet states and how it leads to photon energy storage. I posted a quote and a link.