News for hackers. Stuff that matters.

A comment on I used sound waves to make espresso. It could cut coffee‑brewing energy use by ¾. Parent comment

Re:I used sound waves to make espresso. It could cut coffee‑... by mastazi on Friday June 19, 2026 @07:06PM (#48604347)
Depends on where you live.
[ Parent | on HN ]

There are no comments on this comment yet.