freddo to Videos@lemmy.worldEnglish · 9 months agoWhy It Was Almost Impossible to Make the Blue LEDyoutu.beexternal-linkmessage-square7fedilinkarrow-up190arrow-down114cross-posted to: science@lemmy.worldtechnology@lemmy.world
arrow-up176arrow-down1external-linkWhy It Was Almost Impossible to Make the Blue LEDyoutu.befreddo to Videos@lemmy.worldEnglish · 9 months agomessage-square7fedilinkcross-posted to: science@lemmy.worldtechnology@lemmy.world
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