We're used to using alternating current–AC–for distribution of power from utility sources, to local substations, then to our homes, offices, and factories, and finally within the structures themselves ...

The battery as we know it today was an invention of Italian chemist and physicist Alessandro Volta. He witnessed electricity splitting water into its constituent elements of oxygen and hydrogen and ...

The nation's power grid pulses with a certain type of electricity: AC power. But our "Planet Money" team explains why some people are trying to revive the DC power grid. We don't think very much about ...

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 ...

Enphase has several advantages over SolarEdge. Enphase micro-inverters work better in shaded areas. And another advantage is that Enphase's low voltage reduces the risk of fire. In the long run, ...

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 ...

Stephen Shankland worked at CNET from 1998 to 2024 and wrote about processors, digital photography, AI, quantum computing, computer science, materials science, supercomputers, drones, browsers, 3D ...