A team of researchers from the University of Washington, including those of Indian-origin, has developed a technology that uses a Wi-Fi router to wirelessly power various devices without affecting the quality of internet signal. It is called the Power Over Wi-Fi (PoWiFi) system.
PoWiFi device could tap into RF signals emitted by transmitting towers and wirelessly recharge mobile phones in the remotest of areas. Here's all you need to know.