Karmanopoly@lemmy.world to No Stupid Questions@lemmy.world · 1 month agomarble balls floating on water are nice sculptures. why doesn't the water squirt out like when you pinch a garden hose ?lemmy.worldimagemessage-square59linkfedilinkarrow-up1199arrow-down154
arrow-up1145arrow-down1imagemarble balls floating on water are nice sculptures. why doesn't the water squirt out like when you pinch a garden hose ?lemmy.worldKarmanopoly@lemmy.world to No Stupid Questions@lemmy.world · 1 month agomessage-square59linkfedilink
minus-squaresem@piefed.blahaj.zonelinkfedilinkEnglisharrow-up9·1 month agoHow does the whole surface of the marble stay wet when the water comes out the bottom? Surface tension and chaotic motion causing the marble to spin every which way?
minus-squareShellofbiomatter@lemmus.orglinkfedilinkEnglisharrow-up21·1 month agoYes, I’ve seen some of those marbles that haven’t spinned for a while and top of it is dry.
minus-squaredual_sport_dork 🐧🗡️@lemmy.worldlinkfedilinkEnglisharrow-up12·1 month agoYes. But if you stop one by grabbing it the top half will indeed dry off, and even fairly quickly if you do it on a hot summer day in the sun.
How does the whole surface of the marble stay wet when the water comes out the bottom? Surface tension and chaotic motion causing the marble to spin every which way?
Yes, I’ve seen some of those marbles that haven’t spinned for a while and top of it is dry.
Yes. But if you stop one by grabbing it the top half will indeed dry off, and even fairly quickly if you do it on a hot summer day in the sun.