It’s been a long journey for “The Current War,” a movie opening wide on Oct. 25. The film takes on the rivalry between inventors Thomas Edison and George Westinghouse and their so-called Seven Years ...

James McKenzie reveals what we can learn from the “current wars” between Nikola Tesla and Thomas Edison A few months ago I wrote about the battle in the late 19th century between Joseph Swan and ...

CNN — Yes, children really were hired to collect stray dogs for electrocution experiments to help determine which electric system would power the modern world. This is one of many events in the true ...

In the late 19th century, a new technology began to illuminate the world and transform everyday life – and the innovations have continued to this day. We take a look at the electrifying history of pow ...

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 ...