Scientists Invent a Way to Brew Espresso With Ultrasonic Waves—No Hot Water Required - Peer2Peer

Scientists Invent a Way to Brew Espresso With Ultrasonic Waves—No Hot Water Required

Jun 20, 2026

Researchers have demonstrated they can make coffee comparable to conventional espresso using ultrasonic waves. Because the process doesn’t need hot water, it consumes 75 percent less energy.

https://www.wired.com/story/scientists-brew-espresso-with-ultrasonic-waves/

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