> On Nov 21, 2025, at 2:57 PM, Tom Katt <[email protected]> wrote: > > Ah, the days when leds were still a new fangled technology…. And before blue > leds were invented and made everything so painful on the eyes lol. I miss > old red leds ;-)
As you age your sensitivity to short wavelengths decrease and the wavelength of blue LEDs can vary quite a bit. There's a house nearby that had blue LED Xmas lights before anyone else in town. They looked strangely dim to me at the time and they haven't gotten any brighter over the last 15 or 20 years. A friend of mine has a very powerful laser in the low 400s (nm). It just barely looks violet to me. I collect antique Xmas lights and blackbody radiation is the only way to go. No LEDs on my tree, just 350 hand painted clear incandescents on a 4' tree plus 35 miniature base bubble lights. The entire inside of the tree just glows and the bubble lights are to die for. None of the crummy candelabra base stuff. Terry Bowman, KA4HJH "The Mac Doctor" https://www.astarcloseup.com "I’ve seen things you people wouldn’t believe. Attack ships on fire off the shoulder of Orion. I watched c-beams glitter in the dark near Tannhäuser Gate. "All those moments will be lost in time like tears in the rain."— Roy Batty, Blade Runner -- 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, visit https://groups.google.com/d/msgid/neonixie-l/4E0D9A4E-AF99-430E-B2E3-BBE5BB96E544%40gmail.com.
