Technology @lemmy.world Whirling_Cloudburst @lemmy.world 1y ago Why It Was Almost Impossible to Make the Blue LED The blue LED was supposed to be impossible—until a young engineer proposed a moonshot idea. 2 crossposts science @lemmy.world kalkulat @lemmy.world 1y ago Why It Was Almost Impossible to Make the Blue LED Videos @lemmy.world freddo @feddit.nu 1y ago Why It Was Almost Impossible to Make the Blue LED
