walnutwalrus@lemmy.world to Technology@lemmy.worldEnglish · 1 year agoRetractable Sail Could Give Bikes A Boost Of Wind Powernewatlas.comexternal-linkmessage-square26fedilinkarrow-up173cross-posted to: bicycling@lemmy.worldgeneral@lemmy.world
arrow-up173external-linkRetractable Sail Could Give Bikes A Boost Of Wind Powernewatlas.comwalnutwalrus@lemmy.world to Technology@lemmy.worldEnglish · 1 year agomessage-square26fedilinkcross-posted to: bicycling@lemmy.worldgeneral@lemmy.world
minus-squaredoppelgangmember@lemmy.worldlinkfedilinkEnglisharrow-up9·1 year ago1950: We’ll have hoverboards in 50 years at this rate! 2023: We put a windsail on a bike!
1950: We’ll have hoverboards in 50 years at this rate!
2023: We put a windsail on a bike!