LCP@lemmy.world to Videos@lemmy.world · 22 days ago"Why do certain LED streetlights turn purple/blue?"www.youtube.comexternal-linkmessage-square0fedilinkarrow-up19arrow-down10
arrow-up19arrow-down1external-link"Why do certain LED streetlights turn purple/blue?"www.youtube.comLCP@lemmy.world to Videos@lemmy.world · 22 days agomessage-square0fedilink