Mrkawfee@lemmy.world to Technology@lemmy.ml · 11 个月前Unpowered cargo gliders on tow ropes promise 65% cheaper air freightnewatlas.comexternal-linkmessage-square62fedilinkarrow-up1218arrow-down111
arrow-up1207arrow-down1external-linkUnpowered cargo gliders on tow ropes promise 65% cheaper air freightnewatlas.comMrkawfee@lemmy.world to Technology@lemmy.ml · 11 个月前message-square62fedilink
minus-squareColeSloth@discuss.tchncs.delinkfedilinkarrow-up1·11 个月前They all do, here. The6 blow them when coming up to road crossings to give warning that you better not be on the tracks.
They all do, here. The6 blow them when coming up to road crossings to give warning that you better not be on the tracks.