One thing most coffee lovers agree on is that good espresso starts with hot water. A team of researchers in Australia is ...

Ultrasonic espresso brewed at room temperature matched traditional shots in blind taste tests while cutting energy use by 75% ...

For many coffee lovers, making espresso seems to require two essential ingredients: very hot water and high pressure. But ...

Australian researchers say ultrasonic soundwaves can brew strong coffee with room-temperature water and 75% less energy.

Stacey Leasca is an award-winning journalist with nearly two decades of newsroom experience. She is also the co-founder of Be a Travel Writer, an online course for the next generation of travel ...

Now researchers in Australia – UNSW Sydney – have found a radically different approach. Instead of using heat, the system ...

Most of us think of espresso as a hot, high-pressure ritual. Finely ground coffee goes into a machine, boiling water is forced through it, and in about 30 seconds we get a concentrated shot with crema ...