On a quiet mountainside in Suwa, a city tucked away in central Japan, engineers are preparing to receive a faint but ...

Scientists demonstrate wireless electricity technology by sending electricity over a distance of five miles using lasers.

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 ...

Use cases are emerging for induction charging, ambient IoT and midrange power transmission, and laser power beaming.

Using optical wavelengths rather than RF is bringing the long-sought goal of transmitting useful power levels closer to ...

What just happened? The global race to beam solar energy from space directly to Earth is raging on, and Caltech scientists have seemingly scored the first goal. The SSPD-1 has successfully harvested ...

Wireless transmission of energy through thin air is a dream that dates back at least a century, and the Pentagon wants to be the first to make it a wide-scale reality. The Defense Advanced Research ...

A Caltech team is celebrating the world's first space-based wireless power transmission, and the first time detectable levels of power have been beamed down to Earth. The Space Solar Power Project ...

Simultaneous wireless information and power transfer (SWIPT)-aided nonorthogonal multiple access (NOMA) system, used for communication in the Industrial Internet of Things (IIoTs), suffers from ...