ultradip t1_j7odags wrote on February 8, 2023 at 6:17 AM Reply to TIL the first Blue LED wasn't commercially available until 1989 and bright blue LEDs weren't available until 1993. by j-merc23 Waiting for u/TechConnectify to regale us on the evils of blue LEDs... Permalink 2
ultradip t1_j7odags wrote
Reply to TIL the first Blue LED wasn't commercially available until 1989 and bright blue LEDs weren't available until 1993. by j-merc23
Waiting for u/TechConnectify to regale us on the evils of blue LEDs...