cm0002@lemmy.world to Space@lemmy.world · 16 小时前Giant catapult sends satellites into space without rocket fuelwww.thebrighterside.newsexternal-linkmessage-square62fedilinkarrow-up1130arrow-down147cross-posted to: jingszo@lemmy.world
arrow-up183arrow-down1external-linkGiant catapult sends satellites into space without rocket fuelwww.thebrighterside.newscm0002@lemmy.world to Space@lemmy.world · 16 小时前message-square62fedilinkcross-posted to: jingszo@lemmy.world
minus-squarePeppycito@sh.itjust.workslinkfedilinkarrow-up1·7 小时前Also, the spinning thing is in a vacuum. The rail thing has loss due to drag.
Also, the spinning thing is in a vacuum. The rail thing has loss due to drag.