Melatonin@lemmy.dbzer0.com to Asklemmy@lemmy.ml · 1 year 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-square213fedilinkarrow-up1500arrow-down130
arrow-up1470arrow-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 · 1 year agomessage-square213fedilink
minus-squarepeopleproblems@lemmy.worldlinkfedilinkarrow-up2·1 year 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.