Researchers have demonstrated they can make coffee comparable to conventional espresso using ultrasonic waves. Because the ...

This episode breaks down the brew step of coffee and shows how small changes create very different results. From espresso ...

Researchers explore the role of uneven coffee extraction using a simple mathematical model. They split the coffee into two regions to examine whether uneven flow does in fact make weaker espresso. One ...

A chemistry research team from the Universitat Duisberg Essen (UDE) in Germany has created and successfully tested a lightning-fast, laser-charged cold-brew method that can produce the flavor of a ...

Espresso coffee is brewed by first grinding roasted coffee beans into grains. Hot water then forces its way through a bed of coffee grains at high pressure, and the soluble content of the coffee ...