The harnessing of electricity has played a pivotal role in human history and has exponentially expedited our growth as a species. Since becoming a household commodity in the late 19th century, ...

Stepping down DC voltage only takes a few cheap resistors. Converting AC to DC requires a rectifier, and can also include capacitors and or voltage regulators. Every computer has to have a power ...

Electric vehicles are an important wave of the future, offering motorists a cleaner and more efficient way to travel. But when it comes to charging their batteries, electric vehicles have a particular ...

At the Three Gorges Dam in China, high voltage DC transmission lines were chosen to bring the power to the people for a variety of reasons. Many power companies are now starting to rethink the ...

Thomas Edison lost the war when it came to his advocacy of direct current as the best way to distribute electricity. But his ideas are now winning battles as a solution to growing power and cooling ...

As the story goes, the rock band AC/DC took its name from a label on an old sewing machine in the Young brothers’ home. It must have meant that the machine could run on either alternating-current or ...