Tech
Jun 20, 2026Wired
in-depth: Scientists Invent a Way to Brew Espresso With Ultrasonic
Researchers have developed "ultrasonic espresso," a method that brews coffee using sound waves instead of hot water, achieving a 75 percent reduction in energy consumption. The innovative process produces a beverage with chemical and sensory characteristics comparable to traditional espresso, opening new avenues for sustainable coffee production. This breakthrough could lead to next-generation coffee makers that are significantly more energy-efficient.
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