The ubiquitous Avon saleswomen traveled first by foot, then horse and buggy, and eventually by car to sell cosmetics door to door. In the process, the company built a global business that now earns ...

Solar day lamps (SDL) are simple and cost-effective. A few examples of SDLs have been described in [1], [2] and [3]. An SDL without any energy storage element suffers from frequent changes in the ...

“The lights are lightweight and easy to mount.” ...

In our second partnership with One Acre Fund, we’ll be following David and Zipporah, smallholder farmers from Kenya, for a whole growing season. From planting to harvest, we will check in every month ...

BAHAWALPUR, Pakistan, July 27 (Thomson Reuters Foundation) - A s the sun sets and darkness falls over a village outside Bahawalpur, Shama Bibi switches on her solar lantern and starts sewing clothes ...

If you fancy changing your desk lamp into a green one, then check out the Sunnan Solar Powered LED Desk Lamp from Ikea. The Sunnan Solar Powered LED Desk Lamp provides four hours of light on a full ...

In the April 4, 2024, issue of EDN, the design of a solar mains hybrid lamp (HL) was featured. The lamp receives power from both a solar panel and a mains power supply to turn on an array of LED lamps ...