kalkulat@lemmy.world to science@lemmy.world · 7 months agoWhy It Was Almost Impossible to Make the Blue LEDyoutu.beexternal-linkmessage-square29fedilinkarrow-up1222arrow-down128
arrow-up1194arrow-down1external-linkWhy It Was Almost Impossible to Make the Blue LEDyoutu.bekalkulat@lemmy.world to science@lemmy.world · 7 months agomessage-square29fedilink
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