I used sound waves to make espresso. It could cut coffee-brewing energy use by 75%

Most of us think of espresso as a hot, high-pressure ritual. Finely ground coffee goes into a machine, boiling water is ...
CNET

Lavazza's New Keurig-Style Coffee Maker Uses Pods Made Entirely of Coffee

Back in 2024, Keurig gave us a glimpse of an exciting innovation: a pod for its push-button machine crafted from coffee ...

Radical new coffee-making method uses sound, skips hot water and reduces energy bills

Researchers at UNSW Sydney have developed an ultrasonic brewing method that makes espresso-strength coffee with room-temperature water, cutting energy consumption by up to 75%, and 100 blind ...