The theory behind hydropower is very simple: water obeys gravity and imparts the gained kinetic energy onto a turbine, which subsequently drives a generator. The devil here is, of course, in all the ...

When the grid goes dark, the difference between a calm night and a cascade of tripped breakers usually comes down to the ...

Wherever circuits need protection against current overloads or short circuits, you’ll find circuit breakers. They range from fingernail-sized devices for semiconductor protection to truck-sized ...

A requirement for every hospital, emergency power generators must be operational in 10 seconds or less when electric utility power is lost. If a backup generator fails, the lives of hospital patients ...