If you were to pick a social invention with greatest bang-for-buck value, you might plump for a solar lamp. These cheap simple devices are life-changing because they’re relatively cheap, simple to use ...

Here is the simple solution to make an automatic solar powered led lamp. It automatically switches on two high power White LEDs in the evening and stays on for 6 hours using a 6 volt 4.5 Ah ...

A simple, reliable and low cost Solar Day Lamp (SDL) is useful in reducing the monthly power bills. SDL without any energy storage element, suffers from frequent changes in the light intensity on ...

“These lights provide plenty of illumination.” ...

“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 ...

Learn renewable energy basics and generate serious solar excitement with easy DIY solar lighting. Many people dream of solar-electric power for their homes, but can’t afford whole-house systems.

On hot summer nights when you want to spend as much time outside as possible, light up your yard with solar lights. Mix and match different types of lights to create a garden, backyard or deck that’s ...

More solar powered shenanigans for Friday, this time for the developing world. The LuminAID Light consists of a solar panel, a slimline battery and some LEDs, all wrapped up in a tough, inflatable ...

It’s a sure way for developing cities to create safer streets and more jobs (and lower electricity bills) in their rapidly expanding street networks. In Uganda, urban populations are skyrocketing.

The first time Neha Misra visited the Sundarbans, a beautiful island of mangrove forests, her life was forever changed. It was 2005, and she was working for a large sustainability think tank in India, ...

"For an emergency setup, this feels like a big win." Homeowner turns heads after sharing photo of 'simple' DIY solar setup: ...