It is the bane of worldwide travel: there isn’t just one way to get AC power from the wall. The exact connector — and what you can expect when you plug in — differs from country to country. Even if ...

EV owners don't necessarily need to understand the inner workings of a charger to charge their cars. Still, given the many types of chargers available (each with its own plug type, power level, 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 ...