Power amplifiers for 5G made of gallium nitride

The wireless data transmission via mobile communication is reliable and affordable. However, data volume per user is rising exponentially. Causes are not only the continuously growing number of smartphones, but also trends ...

Wirelessly supplying power to brain

Human and animal movements generate slight neural signals from their brain cells. These signals obtained using a neural interface are essential for realizing brain-machine interfaces (BMI). Such neural recording systems using ...

Startup has plans for power plants in sky with drones

(Phys.org) —Here is the idea: flying power plants in the sky as a means of providing clean, renewable energy. Here is more of the idea: this would be a high-altitude aerial power plant that harvests energy from solar, ...

Wireless power transfer technology for high capacity transit

The Korea Advanced Institute of Science and Technology (KAIST) and the Korea Railroad Research Institute (KRRI) have developed a wireless power transfer technology that can be applied to high capacity transportation systems ...

Wireless charging explained

Wireless charging has been around for a several years now, but it's never really been that good. Until now, that is. The Nokia Lumia 920 and Lumia 820 (with the aid of the recharging shell) are the first Nokia smartphones ...

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