Ultrasonic Espresso: UNSW Researchers Develop Cold-Water Brewing Method That Cuts Energy Use by 75%
Source: University of New South Wales (UNSW) – Journal of Food Engineering | Author: Qahwa World | Date: June 11, 2026 Ultrasonic Espresso: UNSW Researchers Develop Cold-Water Brewing Method That Cuts Energy Use by 75% Key Takeaways: UNSW Sydney researchers developed a method to brew espresso-strength coffee using room-temperature water and ultrasonic sound waves. The</p>
