I think fluorescence is fascinating, the marker is grabbing ultraviolet light and bringing it down to a longer visible wavelength https://en.m.wikipedia.org/wiki/Fluorescence …
I love how my highlighters pop in blue light. No filter, only yellow-white vs. blue LEDspic.twitter.com/h5FVRdpyMt
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In this case, it's not UV, just blue. Fluorescence works off visible light wavelengths in many cases as well as UV.
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High class Voss water
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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