It soon became clear that the best pour-over coffee requires generating an avalanche effect in the grains—an outcome best ...

beechwood grains, and natural resins. Once the new coffee-ground granulate has been mixed together, it gets shaped under heat and pressure. It takes about 6 cups of grounds to produce one espresso ...

While espresso has received the lion's share of such attention, physicists at the University of Pennsylvania have investigated the physics behind brewing so-called "pour-over" coffee, in which hot ...