In the Feb. 22 issue of RWEE, we asked: What is skin effect in alternating current and what is its relationship to current flow? a. Skin effect is the tendency of all current flow on printed circuit ...

Researchers have demonstrated that it is possible to directly generate an electric current in a magnetic material by rotating its magnetization. The findings reveal a novel link between magnetism and ...

Electrons may not be the only movers and shakers among subatomic particles, but they do power the modern world. How much work do they actually do, and how fast are they? The answer is more complicated ...

In a common type of mechanical ratchet, back and forth motion provided by a human arm gets converted to rotating motion that acts to tighten a screw or bolt. The role of the ratchet is to convert a ...