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1.
Scientists made espresso with sound instead of heat, and most drinkers couldn't tell the difference (techspot.com)
2026-06-21 | by Skye Jacobs | get Soundwave Espresso Maker → | tags: unsw sydney, ultrasonic espresso, acoustic cavitation
2.
Scientists Invent a Way to Brew Espresso With Ultrasonic Waves—No Hot Water Required (wired.com)
2026-06-20 | by Javier Carbajal | get Ultrasonic Espresso Maker → | tags: ultrasonic espresso, university of new south wales, acoustic cavitation
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