Electric Potential Difference: Students learn to describe changes in the potential and kinetic energy of a point charge as it moves in an electrical field. Potential difference is introduced in terms ...

There's waterproof and then there's the surface developed by engineers at the University of California San Diego. They've developed a surface so hydrophobic that it can actually be used to generate ...

Wind offers an important alternative to coal as a source of energy for generation of electricity in China with the potential for substantial savings in carbon dioxide emissions. Wind fields derived ...