kinther@lemmy.world to Technology@lemmy.worldEnglish · 20 days agoPenn Engineers Discover a New Class of Materials That Passively Harvest Water from Airblog.seas.upenn.eduexternal-linkmessage-square39fedilinkarrow-up1208arrow-down112
arrow-up1196arrow-down1external-linkPenn Engineers Discover a New Class of Materials That Passively Harvest Water from Airblog.seas.upenn.edukinther@lemmy.world to Technology@lemmy.worldEnglish · 20 days agomessage-square39fedilink
minus-squareEheran@lemmy.worldlinkfedilinkEnglisharrow-up1arrow-down3·18 days agoPeople were able to (and at some places did) cut down every tree WELL before they had power tools and even saws. Just with axes. The comparison is laughable. No, massive air moving structures can not be cheap. Neither building nor operating them.
People were able to (and at some places did) cut down every tree WELL before they had power tools and even saws. Just with axes. The comparison is laughable.
No, massive air moving structures can not be cheap. Neither building nor operating them.