obbeel@lemmy.mlM to Engineering@lemmy.ml · 5 years agoDaVinci-Style Drone With 600-Year-Old Screw Rotor Design Actually Flieswww.thedrive.comexternal-linkmessage-square0linkfedilinkarrow-up11
arrow-up11external-linkDaVinci-Style Drone With 600-Year-Old Screw Rotor Design Actually Flieswww.thedrive.comobbeel@lemmy.mlM to Engineering@lemmy.ml · 5 years agomessage-square0linkfedilink