Researchers at UNSW Sydney have developed a process that allows espresso to be produced for the first time without hot water. Instead of heat, high-frequency sound waves are used. This could save a lot of energy during the preparation. (Continue reading)
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Researchers at UNSW Sydney have developed a process that allows espresso to be produced for the first time without hot water. Instead of heat, high-frequency sound waves are used. This could save a lot of energy during the preparation. (Continue reading)