hitwright@lemmy.world to NonCredibleDefense@sh.itjust.worksEnglish · 26 days agoMoscow now has UFOs... it's OVER :(lemmy.worldimagemessage-square85linkfedilinkarrow-up1644arrow-down17
arrow-up1637arrow-down1imageMoscow now has UFOs... it's OVER :(lemmy.worldhitwright@lemmy.world to NonCredibleDefense@sh.itjust.worksEnglish · 26 days agomessage-square85linkfedilink
minus-squareWoodScientist@lemmy.worldlinkfedilinkEnglisharrow-up5·26 days agoAn arch or dome made of stone would instantly fall apart if flipped upside down. A steel one will perform just as well, as steel is isotropic.
An arch or dome made of stone would instantly fall apart if flipped upside down. A steel one will perform just as well, as steel is isotropic.