[–] paulkrush 1y ago ↗ It's pretty cool where he makes a cheap white LED glow white with a blue laser pointer: https://youtu.be/75to1TY-Gog?si=Hi_jJjrnAIutbh4a&t=231
[–] johnneville 1y ago ↗ cool ! some background: https://prepperpress.com/what-are-laser-excited-phosphor-lep... [–] paulkrush 1y ago ↗ It's like a white laser beam. New to me...
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