logoalt Hacker News

sbierwagen • today at 1:25 AM • 1 reply • view on HN

You don't need UV to stimulate florescence. 395nm blue light will cause yellow highlighters to light up quite brightly: https://par.nsf.gov/servlets/purl/10326338


Replies

mrheosuper • today at 8:00 AM

UV-A starts from 400nm, so there is no "395nm blue light"

➕ show 1 reply