Most solar lights are cheap garbage that exist just to put more microplastics into the environment as they degrade in short order. [Jeremy Cook] built his own solar light, however, and this one ...

The iOptron 80mm White Light Solar Scope is a decent purchase if you do not already own a telescope and want to buy something ...

Australian scientists are developing a "reverse solar" panel-a thermoradiative diode that converts the Earth's emitted ...

You can mount the Tapo C615F Kit floodlight camera almost anywhere outside, because both elements run on a battery that’s ...

Discover how to build a simple device that converts light into electricity using LEDs and diodes. This step-by-step guide demonstrates assembling an LED-diode cluster, connecting it to a capacitor for ...

While this boat needs sunny conditions to power its motor, it's not limited by the need to refuel that reduces the range of ...

After a few months on the water, it's safe to say this boat is functional, and according to Lukas, it has infinite range.

The Investment Committee debate the latest Calls of the Day. Got a confidential news tip? We want to hear from you. Sign up for free newsletters and get more CNBC delivered to your inbox Get this ...

Longi Green Energy Technology Co. will begin substituting base metals for silver in its solar cells, the latest move by the industry to mitigate the surging cost of the precious metal. Mass production ...

Dusk has reduced a stylish lamp in the winter sale which conveniently doesn't require a plug socket. The Charon LED Rechargeable Wireless Lamp is now down to £19 and features a chic art deco design ...

Brainiac75] is a fan of fiber optic lamps, except for one thing—they’re often remarkably dim. Thus, they set out to hack the technology to deliver terrifying amounts of light while still ...