While espresso has received the lion's share of such attention, physicists at the University of Pennsylvania have ...

A group of fluid mechanics and physics researchers at the University of Pennsylvania have created the perfect pour-over coffee technique.

In science terms, they were studying "the hydrodynamics of pour-over coffees, especially how a liquid jet interacts with a granular bed of submerged ... to increase the velocity of the water.

The Delta faces a funding crisis to repair and maintain an aging network of 1,100 miles of levees. These earthen berms, mostly on private land, could rupture and endanger half a million people and ...