The goal of drive-system engineers is usually pretty straightforward. Specify the smallest motor and drive needed to accelerate and run a load at a required rate, and determine the braking forces ...

Physics and physicists are central to the nation's security. This partnership between government and physics includes important areas such as the design of optics for reconnaissance satellites, new ...

How much science do you remember from school? Do you know how a simple electric motor works, or what the Doppler effect is? Basic physics is taught early in schools, but is easily forgotten. To learn ...

Physics lies at the core of the earth sciences. It is essential for understanding the deep structure of Earth and the natural phenomena that affect Earth's surface, such as earthquakes and volcanic ...