walnutwalrus@lemmy.world to General Discussion@lemmy.world · 1 年前Retractable Sail Could Give Bikes A Boost Of Wind Powernewatlas.comexternal-linkmessage-square0fedilinkarrow-up116arrow-down11 cross-posted to: technology@lemmy.world
arrow-up115arrow-down1external-linkRetractable Sail Could Give Bikes A Boost Of Wind Powernewatlas.comwalnutwalrus@lemmy.world to General Discussion@lemmy.world · 1 年前message-square0fedilink cross-posted to: technology@lemmy.world