I used sound waves to make espresso. It could cut coffee-brewing energy use by 75%, New South Wales, Sydney Beloud

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

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

Researchers at UNSW have developed an innovative 'ultrasonic espresso' process that uses high-frequency sound waves to extract coffee flavor at room temperature. By eliminating the need for ...

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