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 ...

There are a lot of options for mounting your iPhone in your car. I’ve relied on the highly-rated Kensington suction cup windshield car mount for a few years without too much incident. However, I’ve ...

TUCSON, Ariz.--(BUSINESS WIRE)--The ac/dc adapter technology has evolved over the last years and presently the technologies developed by Rompower Energy Systems Inc. increase the efficiency from 88% ...

Apple is recalling some of its two-prong AC wall plug adaptors designed for use in continental Europe, New Zealand, Australia, Korea, Argentina and Brazil. These aren’t the power bricks themselves, ...