nymnympseudonym@piefed.social to Technology@lemmy.worldEnglish · 1 个月前UC Davis engineering prof: how to build a homemade filter to efficiently remove aerosol particles (useful for wildfires & COVID)engineering.ucdavis.eduexternal-linkmessage-square8linkfedilinkarrow-up1111arrow-down11file-text
arrow-up1110arrow-down1external-linkUC Davis engineering prof: how to build a homemade filter to efficiently remove aerosol particles (useful for wildfires & COVID)engineering.ucdavis.edunymnympseudonym@piefed.social to Technology@lemmy.worldEnglish · 1 个月前message-square8linkfedilinkfile-text
Background: This air cleaner is a homemade system that is useful for lowering the levels of respiratory aerosol particles
minus-squareMagicShel@lemmy.ziplinkfedilinkEnglisharrow-up1·30 天前Look at all that carbon they’re exporting to us for free? How can American polluters compete with that???
Look at all that carbon they’re exporting to us for free? How can American polluters compete with that???