Imagine walking from one side of a swimming pool to the other. Each step takes great effort -- that's what makes water aerobics such effective physical exercise. Imagine walking from one side of a ...

But the hydrodynamics of their operation was not previously studied. The researchers expanded their study to include several kinds of straws—a thin coffee stirrer type, a regular soda type, and a wide ...

(Nanowerk News) For the last 20 years, scientists have been puzzled by how water behaves near carbon surfaces. It may flow much faster than expected from conventional flow theories or form strange ...