Technology @lemmy.world Whirling_Cloudburst @lemmy.world vor 1 Jahr 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 Querposts science @lemmy.world kalkulat @lemmy.world vor 1 Jahr Why It Was Almost Impossible to Make the Blue LED Videos @lemmy.world freddo @feddit.nu vor 1 Jahr Why It Was Almost Impossible to Make the Blue LED
