TIL the first Blue LED wasn't commercially available until 1989 and bright blue LEDs weren't available until 1993. en.wikipedia.org Submitted by j-merc23 t3_10w8qi9 2 years ago in todayilearned 69 comments 789
NerdyKirdahy t1_j7mjgt4 wrote 2 years ago Reply to comment by wufnu in TIL the first Blue LED wasn't commercially available until 1989 and bright blue LEDs weren't available until 1993. by j-merc23 This is why the Dreamcast failed—orange light. Permalink Parent 8
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