Small drones often face one unavoidable limitation of battery power. That challenge now sits ...

For more than a century, wireless power sounded like a party trick from the age of coils and crackling sparks. Now it is quietly turning into infrastructure, with real systems moving electricity ...

Chinese scientists have taken a major step toward building a “space power bank” – a solar power station that can store energy and transmit to space and ground devices – by completing the ground ...

Wireless charging has become ubiquitous in recent years, with companies like Apple, Samsung and Google all embracing the technology. The benefit is obvious. It's easier to plop a device on a charging ...