rose56@lemmy.zip to Coffee@lemmy.world · 9 days agoI used sound waves to make espresso. It could cut coffee-brewing energy use by 75%theconversation.comexternal-linkmessage-square0linkfedilinkarrow-up11arrow-down10file-text
arrow-up11arrow-down1external-linkI used sound waves to make espresso. It could cut coffee-brewing energy use by 75%theconversation.comrose56@lemmy.zip to Coffee@lemmy.world · 9 days agomessage-square0linkfedilinkfile-text