walnutwalrus@lemmy.world to Bicycling@lemmy.worldEnglish · 1 year agoRetractable Sail Could Give Bikes A Boost Of Wind Powernewatlas.comexternal-linkmessage-square5fedilinkarrow-up17arrow-down10cross-posted to: [email protected][email protected]
arrow-up17arrow-down1external-linkRetractable Sail Could Give Bikes A Boost Of Wind Powernewatlas.comwalnutwalrus@lemmy.world to Bicycling@lemmy.worldEnglish · 1 year agomessage-square5fedilinkcross-posted to: [email protected][email protected]
This is from 2019!!!