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

Re:I used sound waves to make espresso. It could cut coffee‑... by youngprogrammer on Friday June 19, 2026 @02:46PM (#48601795)
At a 3 minute shot, I’d rather use the same time to do a pour over
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Re:I used sound waves to make espresso. It could cut coffee‑... by nailer on Friday June 19, 2026 @03:47PM (#48602465)
How long does it take for water to boil? This is slower but still not by much.
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Re:I used sound waves to make espresso. It could cut coffee‑... by Arch-TK on Saturday June 20, 2026 @06:07AM (#48607988)
If you have a thermoblock espresso machine, the brewing part can be over and done with in all of 1 minute.

But either way, the time consuming parts are preparation and cleanup.

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