The currents of the oceans, the roiling surface of the sun, and the clouds of smoke billowing off a forest fire—all are ...

Gears have been around for thousands of years, with the first records dating back to 3000 BC. While they have advanced over ...

Technologies for energy storage as well as biological systems such as the network of neurons in the brain depend on driven ...

The workings of electricity are often introduced to students by way of a comparison to water, with voltage analogous to pressure, current to flow rate, wires to hoses, and so on. Even in more advanced ...