The University of Bath has invested £80,000 in switching its library's network of computers from AC to DC, in the attempt to reduce energy consumption. Later, the system -- which will act as a ...

More than 100 years after alternating current (AC) defeated direct current (DC) in the so-called Battle of Currents and became the standard way electricity was delivered, new technologies have ...

Wondering if phone chargers use AC or DC power? Learn the difference, how chargers work, and why it matters for your device's safety.

Batteries are a part of our everyday life, and power everything from phones to gaming handhelds to laptops, but do those batteries use AC or DC current?