Planet Money: AC Power Versus DC Power Grid

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 what happens behind our electrical outlets, how the power gets into our homes. But Audrey Quinn of our Planet Money team reports that a lot of people are starting to wonder if the way we deliver electricity is wrong for the modern age.

AUDREY QUINN, BYLINE: Fraida Fund lives in Brooklyn. And her home probably looks a lot like yours. She's got a bunch of electronics. And in order to plug those into the wall, she has those black cords with the boxes on them.

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