Alternating current

The Next Big Thing in the Energy Sector: Photovoltaic Generated DC Electricity
Ibasei’s Cappa provides hydroelectricity on a small scale
Circuit Breaker Breakthrough to Enable DC Power Grid
Miniature medical analytic devices that could make Star Trek’s tricorder seem a bit bulky in comparison
V3Solar puts a new spin on PV efficiency – x20!
Will Direct Current Make a Comeback in the U.S.?
Apple Files Patent For An Intelligent, Zero-Power Power Supply Unit