freddo@feddit.nu to Videos@lemmy.worldEnglish · 10 months agoWhy It Was Almost Impossible to Make the Blue LEDyoutu.beexternal-linkmessage-square0fedilinkarrow-up11arrow-down10cross-posted to: science@lemmy.worldtechnology@lemmy.world
arrow-up11arrow-down1external-linkWhy It Was Almost Impossible to Make the Blue LEDyoutu.befreddo@feddit.nu to Videos@lemmy.worldEnglish · 10 months agomessage-square0fedilinkcross-posted to: science@lemmy.worldtechnology@lemmy.world