What is electricity, and how does it work? What does it mean for electricity to seek a path to ground? These answers and more, plus a brief history of the War of the Currents, inside.

Electric vehicles use lithium ion batteries with small amounts of nickel, manganese and cobalt. How do they work and what chemistry affects their properties?

There’s a drivetrain on it! We go over the battery, sensors, and other components that make your electric bicycle go.

But what do they all do, and how exactly does the state’s electric grid work? The power grid is a network of power plants that generate electricity and power lines that deliver it.

We charted how electricity generation has changed in every state so far, from 2001 to 2023, using data from the United States Energy Information Administration. Find your state below: ...

Electricity means the presence or motion of electrical charge. When the charge is moving from its source (origin) to sink (destination), it's called electrical current. Electrical charge that ...