RodgeGrabTheCat 🇨🇦🏴☠️@sh.itjust.works to Technology@lemmy.worldEnglish · 10 hours agoA new cooling technology freezes food without warming the climatewww.anthropocenemagazine.orgexternal-linkmessage-square30fedilinkarrow-up1111arrow-down113file-text
arrow-up198arrow-down1external-linkA new cooling technology freezes food without warming the climatewww.anthropocenemagazine.orgRodgeGrabTheCat 🇨🇦🏴☠️@sh.itjust.works to Technology@lemmy.worldEnglish · 10 hours agomessage-square30fedilinkfile-text
minus-squarech00f@lemmy.worldlinkfedilinkEnglisharrow-up1·9 hours agoGenerally it’s made by first filtering out other gasses (there are materials that will pass nitrogen but block oxygen), and then you just get it super cold with a cryocompressor (uses helium as a refrigerant) to liquify it.
Generally it’s made by first filtering out other gasses (there are materials that will pass nitrogen but block oxygen), and then you just get it super cold with a cryocompressor (uses helium as a refrigerant) to liquify it.