▲ 103 ▼ I used sound waves to make espresso. It could cut coffee-brewing energy use by 75% (theconversation.com) submitted 1 month ago by arbilp3@aussie.zone to c/environment@aussie.zone 35 comments fedilink hide all child comments 🍵 😮
[–] nevetsg@aussie.zone 3 points 1 month ago That heat pump is an interesting read. Thank you for the link. permalink fedilink source parent