Researchers at the National University of Singapore and Tohoku University developed a device that uses spin-torque oscillators (STOs) to harvest energy from 2.4GHz Wi-Fi signals and wirelessly power ...

Researchers have developed a technology that uses the radio frequency of WiFi signals to generate wireless green energy that could power small electronic devices without the need for a battery. If the ...

Scientists are working on harvesting WiFi signals now, to convert them into usable energy. That means we could power our electronics wirelessly, by simply being within the range of a WiFi. Our ...

When self-charging smartphone cases first arrived, they were a godsend. Most functioned like a portable battery pack that you charged before using, while others had their own solar panels that could ...

The advantages of internet radio over FM (and arguably satellite radio) are plenty: thousands of diverse stations, better sound, less ads and even fewer annoying DJ’s. The downside? A computer was ...

In the early 1900s, Serbian-American inventor Nikola Tesla stood before his ambitious Wardenclyffe Tower, a colossal ...