When someone becomes aware of the problem of the significantly lower energy density of rechargeable batteries compared to tanks, a character-dependent desired solution often crystallizes. For many ...

How can you charge electric cars without plugging them into the power grid for hours on end? How can industrial robots be “refueled” during operation? And how does wireless energy transfer improve ...

Primed goes in-depth on the technobabble you hear on Engadget every day — we dig deep into each topic's history and how it benefits our lives. Looking to suggest a piece of technology for us to break ...