Ultrasonic coffee maker produces the perfect cold-brew in minutes
Brewing with ultrasoundUNSW/Cecilia Duong A high-tech method for producing cold brew coffee that uses ultrasonic waves to extract flavour could ...
Read moreBrewing with ultrasoundUNSW/Cecilia Duong A high-tech method for producing cold brew coffee that uses ultrasonic waves to extract flavour could ...
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