The idea of using satellites to beam solar power down from space is nothing new — the Department of Energy first studied it in the 1970s, and NASA took another look in the '90s. The stumbling block ...

Terahertz beams are required in many scientific and technological applications, ranging from the imaging of biological materials to manipulating quantum states in semiconductors. However, existing ...

Solar power is the cheapest source of electricity in history. But since it isn’t always sunny, and battery storage is still fairly expensive, a handful of startups are working on a different approach: ...

Imagine satellites in space, perpetually powered by invisible beams of energy transmitted from Earth. This could soon be a reality with the emergence of wireless power beaming technology. This ...

The sun will eventually burn up and expand, taking our solar system with it. But, before that happens, Japan and JAXA ,the country's space administration, want to figure out a way to rip power from ...

The tech giant is partnering with startups to capture solar energy in orbit and transmit it to Earth.

Stationary solar panels aren’t the only way we can harvest the raw power of the Sun. In a groundbreaking experiment conducted last year, researchers across the public and private sectors successfully ...

In a move that sounds like the wildest of science fiction, DARPA has announced its new Persistent Optical Wireless Energy Relay (POWER) program that plans to use lasers relayed by airborne platforms ...

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PowerPhotonic, a developer and manufacturer of freeform, wafer-scale optics, based in Fife, UK, has this week been exhibiting and presenting an invited paper at SPIE Sensors and Imaging, in Amsterdam, ...