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-square240fedilinkarrow-up1517
arrow-up1517imageProbably 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-square240fedilink
minus-squarecorship@feddit.delinkfedilinkarrow-up1·1 year agohttps://patents.google.com/patent/US8124920
https://patents.google.com/patent/US8124920
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