"Why do certain LED streetlights turn purple/blue?"

Submitted ⁨⁨5⁩ ⁨days⁩ ago⁩ by ⁨lazycouchpotato@lemmy.world⁩ to ⁨videos@lemmy.world⁩

https://www.youtube.com/watch?v=Jfr8fmF8oJU