In the coastal city of Fukuoka, a place known for its ancient temples, beaches, and modern shopping districts, Japan has quietly taken an important step toward sustainable energy, and while there are ...

Fusion power promises to generate large amounts of clean electricity from nearly limitless fuel. This article explains the ...

We walk here, we walk there, we walk everywhere. Maybe you’re headed to work or to lunch in a busy city. You’re expending energy, and the exercise is good for you. But what if, on top of that, we ...