Melatonin@lemmy.dbzer0.com to Asklemmy@lemmy.ml · 2 years 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-square242fedilinkarrow-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 · 2 years agomessage-square242fedilink
minus-squarepeopleproblems@lemmy.worldlinkfedilinkarrow-up2·2 years agoThe magnetocaloric effect can do this. Instead of the target absorbing energy, the magnet does. The magnet heats up and the target cools.
The magnetocaloric effect can do this. Instead of the target absorbing energy, the magnet does. The magnet heats up and the target cools.