arbilp3@aussie.zone to Aussie Enviro@aussie.zone · 10 days agoI used sound waves to make espresso. It could cut coffee-brewing energy use by 75%theconversation.comexternal-linkmessage-square35fedilinkarrow-up1106arrow-down14file-textcross-posted to: science@lemmy.mlhackernews@lemmy.bestiver.se
arrow-up1102arrow-down1external-linkI used sound waves to make espresso. It could cut coffee-brewing energy use by 75%theconversation.comarbilp3@aussie.zone to Aussie Enviro@aussie.zone · 10 days agomessage-square35fedilinkfile-textcross-posted to: science@lemmy.mlhackernews@lemmy.bestiver.se
minus-squareKairos@lemmy.todaylinkfedilinkarrow-up1·9 days agoThe cost of brewing includes the machine cost over its lifetime. The electricity cost is near zero.
The cost of brewing includes the machine cost over its lifetime. The electricity cost is near zero.