Melatonin@lemmy.dbzer0.com to Asklemmy@lemmy.ml · 10 months agoProbably a stupid question, but will we ever have something like a microwave to make things cold? Is there a reason this can't exist?lemmy.dbzer0.comimagemessage-square246fedilinkarrow-up1516arrow-down131
arrow-up1485arrow-down1imageProbably a stupid question, but will we ever have something like a microwave to make things cold? Is there a reason this can't exist?lemmy.dbzer0.comMelatonin@lemmy.dbzer0.com to Asklemmy@lemmy.ml · 10 months agomessage-square246fedilink
minus-squareargh_another_username@lemmy.calinkfedilinkarrow-up7·10 months agoProbably to disrupt the temperature gradient that forms around the can. That’s why we blow air on though the top of a hot drink to cool it faster.
minus-squareCiderApplenTea@lemmy.worldlinkfedilinkarrow-up4·10 months agoI assume so the liquid moves around and gets cooled evenly. If you didn’t move the drink, the outer layer of liquid would get cold, but the inside would take longer to get cold as well
minus-squaremanned_meatball@lemmy.mllinkfedilinkEnglisharrow-up4arrow-down2·10 months agocause it looks cooler
why the roll?
Probably to disrupt the temperature gradient that forms around the can. That’s why we blow air on though the top of a hot drink to cool it faster.
I assume so the liquid moves around and gets cooled evenly. If you didn’t move the drink, the outer layer of liquid would get cold, but the inside would take longer to get cold as well
cause it looks cooler