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 ...

[mircemk] has been working on wireless power transmission. Using a Class-E Tesla coil with 12 turns on the primary and 8 turns on the secondary and a 12 volt input he can send a few milliwatts to ...

Innovators have long sought to send power over communication wires, or relay data over power cables. Both efforts have had ...

NTT Inc. and Mitsubishi Heavy Industries Ltd. (MHI) conducted an optical wireless power transmission experiment using a laser beam to wirelessly transmit energy over a distance of one kilometer. By ...

Adoption of wireless charging has been fairly slow, but it could pick up if it worked over longer distances. Now Aalto University engineers have developed a new system that can allow more efficient ...

Imagine charging a device miles away without a single wire. That’s exactly what the US military’s Defense Advanced Research Projects Agency (DARPA) has just pulled off, setting a new benchmark in ...

An adaptive LED-based optical wireless power system uses AI image recognition to power multiple devices in any lighting, providing a low-cost, safe option for indoor IoT. (Nanowerk News) With the ...