It even has a small moon.

The Oura Ring has little sensors on the inside of the ring (they feel like small, barely there bumps) that measure ...

Rotating detonation rocket engines work differently than traditional rockets to maximize thrust while using less fuel—an ...

A new study lays out how to give retired solar panels a new life with recycled plastic wood by acting as electronic picnic ...

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Abstract: This paper provides a comprehensive review of Reflectivity Control Devices (RCDs) as a transformative technology for enhancing the robustness and innovative capability of Solar Sail ...

So long as the sun is shining, these clever gadgets will keep on running.

A bill in the Minnesota Legislature would establish regulations for plug-in solar devices. The devices are also known as balcony solar and let owners place a small solar array outside near an outlet ...