kalkulat@lemmy.world to science@lemmy.world · 9 months agoWhy It Was Almost Impossible to Make the Blue LEDyoutu.beexternal-linkmessage-square29fedilinkarrow-up1235arrow-down130cross-posted to: videos@lemmy.worldtechnology@lemmy.worldvideos@hexbear.net
arrow-up1205arrow-down1external-linkWhy It Was Almost Impossible to Make the Blue LEDyoutu.bekalkulat@lemmy.world to science@lemmy.world · 9 months agomessage-square29fedilinkcross-posted to: videos@lemmy.worldtechnology@lemmy.worldvideos@hexbear.net
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