And apparently IR erases the glow: https://hackaday.io/project/169462-uv-glow-in-the-dark-plot-clock
On Monday, January 9, 2023 at 11:04:44 AM UTC-5 Paul Andrews wrote: > I remember this project from a few years back. Always meant to give it a > go, never did: > https://hackaday.io/project/170360-glixie-a-glow-in-the-dark-nixie > > On Saturday, January 7, 2023 at 12:26:32 PM UTC-5 Terry Bowman wrote: > >> >> On Jan 7, 2023, at 11:50 AM, Ryan B <[email protected]> wrote: >> >> I bought two different wavelength UV lights recently. IIRC 395 and 360 >> nm. I haven't used them much but I will check out all my CRTs now! I got >> them to look for UV reactive glass at thrift shops and on the beach. >> >> >> I have a CRT with dual phosphors, a fast blue and a slow yellow. It >> lights up like a Christmas tree when exposed to an 18" BL-B tube. >> >> You can draw pictures on an old television or computer monitor. >> >> >> Terry Bowman, KA4HJH >> "The Mac Doctor" >> >> https://www.astarcloseup.com >> >> “...the book said something astonishing, a very big thought. The stars, >> it said, were suns but very far away. The Sun was a star but close >> up.”—Carl Sagan, "The Backbone Of Night", *Cosmos*, 1980 >> >> >> -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/d5504269-39e8-4329-8f6d-32006d0decd9n%40googlegroups.com.
