HomeGeneral NewsUltrasonic espresso strategy could make coffee cheaper

Ultrasonic espresso strategy could make coffee cheaper

June 9, 2026

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Senior lecturer Francisco Trujillo believes his coffee-making method may be game-changing. Photo: Supplied

By Allanah Sciberras

The humble morning brew may be on the brink of a revolution, with researchers harnessing ultrasonic sound waves to make cafe-quality coffee similar to…

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