from Hacker News

LEP Flashlights are INSANE [video]

by paulkrush on 1/24/25, 5:25 PM with 3 comments

• by paulkrush on 1/24/25, 5:25 PM

  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

• by johnneville on 1/24/25, 5:29 PM

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