Marzgog t1_j7qj8dt wrote on February 8, 2023 at 6:25 PM Reply to comment by Ok-disaster2022 in TIL the first Blue LED wasn't commercially available until 1989 and bright blue LEDs weren't available until 1993. by j-merc23 My country has among the highest rates of literacy in the world and our exit signs are green. I don’t think inclusivity has anything to do with exit signs going green, it’s just one of those universal standards in the making. Permalink Parent 2
Marzgog t1_j7qj8dt wrote
Reply to comment by Ok-disaster2022 in TIL the first Blue LED wasn't commercially available until 1989 and bright blue LEDs weren't available until 1993. by j-merc23
My country has among the highest rates of literacy in the world and our exit signs are green. I don’t think inclusivity has anything to do with exit signs going green, it’s just one of those universal standards in the making.