walnutwalrus@lemmy.world to General Discussion@lemmy.world · 1 year agoHuman Powered Air Compressor and Energy Storage System | Low Tech Magazinesolar.lowtechmagazine.comexternal-linkmessage-square0fedilinkarrow-up12arrow-down10cross-posted to: [email protected][email protected]
arrow-up12arrow-down1external-linkHuman Powered Air Compressor and Energy Storage System | Low Tech Magazinesolar.lowtechmagazine.comwalnutwalrus@lemmy.world to General Discussion@lemmy.world · 1 year agomessage-square0fedilinkcross-posted to: [email protected][email protected]