Submitted by TheGandPTurtle t3_111g7s9 in askscience
RailRuler t1_j9kjypo wrote
Reply to comment by bandti45 in Light traveling through a medium that slows it. Does the same photon emerge? by TheGandPTurtle
Those are both the medium filtering out certain colors of light, reducing its intensity. It doesn't change the photons.
The only thing that changes photons is https://en.wikipedia.org/wiki/Fluorescence
bandti45 t1_j9l737f wrote
I feel like I should have gotten this concept a while ago... thank you for informing me.
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