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
cool ! some background: https://prepperpress.com/what-are-laser-excited-phosphor-lep...
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