More than 43 million people worldwide are blind. In the past 30 years, that number has increased by roughly 50%. Most blind people are born with normal vision and lose their sight over time, due to ...

The efficiency of wireless charging systems is limited by power loss occurring due to frequency changes in the resonant circuits that enable power transfer. These necessary modulations reduce ...

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 ...

Chinese scientists have taken a major step toward building a “space power bank” – a solar power station that can store energy ...