rose56@lemmy.zip to

Coffee@lemmy.world · 4 months ago

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

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

theconversation.com

rose56@lemmy.zip to

Coffee@lemmy.world · 4 months ago

7

‘Ultrasonic espresso’ made with cold water and high-frequency sound waves uses less energy than the traditional version – and taste tests show it’s just as good.

cross-posted from: https://aussie.zone/post/33666752

🍵 😮

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4 months ago
Your Lemmy instance runs on a r Solar powered RPi?

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