Comment on I used sound waves to make espresso. It could cut coffee-brewing energy use by 75%

tropicaldingdong@lemmy.world@lemmy.world ⁨1⁩ ⁨month⁩ ago

• just2look@lemmy.zip ⁨1⁩ ⁨month⁩ ago

  Well, they apparently had already used ultrasound to speed up the cold brew process. This was a continuation of that research.

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