kalkulat@lemmy.world to science@lemmy.world · 1 year agoWhy It Was Almost Impossible to Make the Blue LEDyoutu.beexternal-linkmessage-square29linkfedilinkarrow-up1233arrow-down130cross-posted to: videos@lemmy.worldtecnologiatechnology@lemmy.worldengineeringporn@lemmit.online
arrow-up1203arrow-down1external-linkWhy It Was Almost Impossible to Make the Blue LEDyoutu.bekalkulat@lemmy.world to science@lemmy.world · 1 year agomessage-square29linkfedilinkcross-posted to: videos@lemmy.worldtecnologiatechnology@lemmy.worldengineeringporn@lemmit.online
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