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Entirely new way of making espresso unveiled
(www.unsw.edu.au)
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this post was submitted on 16 Jun 2026
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Better. Perfect would be using chilled water. I'm on a limited connection right now so I can't investigate, but I'm curious to know if they tested.
probably can be done, but ultrasound irradiation itself will warm up coffee a little. if all of it goes to heat, then it's extra 20C or so so you'll have to cool it down afterwards anyway