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 ...

Discover how to build a simple device that converts light into electricity using LEDs and diodes. This step-by-step guide ...

The rapid growth of rooftop photovoltaic installations is profoundly changing the management of rainwater. By waterproofing and channeling surfaces, solar panels accelerate water runoff and increase ...

Solar panels and urban gardens are finally teaming up to transform rooftops into clean-energy food paradises. Researchers and city planners from New York City to São Paulo have discovered that when ...

The most important thing to know about Fresnel lenses, before casually attempting to drop them into conversation, has to do with phonetics: "Fresnel" is pronounced "Fruh-NEL." If the silent "S" makes ...

“These little lights put out a surprising amount of light for their size.” Right now, you can get a pair of Qunler 3-Mode Outdoor Solar Lights for just $8, making them some of the most affordable ...

Microscopic fibers secretly shape how every organ in the body works, yet they’ve been notoriously hard to study—until now. A new imaging technique called ComSLI reveals hidden fiber orientations in ...

Solar lighting is one of the easiest ways to brighten up your outdoor spaces without worrying about wiring, power outlets, or high electricity bills. Whether you’re adding extra visibility to your ...

These Bluetooth landscape lights will make a colorful statement on your property, no wires or disposable batteries needed. Solar-powered pathway lights get a bad rap for a good reason: Most of them ...

A powerful geomagnetic solar storm caused the northern lights to be visible in Florida. The recent sighting was the first time the northern lights were seen in Florida since May 2024. Before 2024, the ...

Geomagnetic storms brought the northern lights to much of the U.S. this week, painting the sky in vibrant hues of green and pink. "Well, we had activity tonight — a lot of geomagnetic storm activity," ...