According to the most recent data from the World Bank, 15 percent of the world’s population—approximately 1.1 billion people—lacked access to electricity in 2014. In 1994, approximately 27 percent of ...

A solar day lamp is a simple, inexpensive device for bringing “daylight” to dark interior spaces whenever the sun is shining. This article provides complete instructions for designing lamps using both ...

A novel thin-film technology enables solar panels to generate electricity from both sunlight and raindrops.

Solar energy is abundant and frustratingly ill-timed. A sunbeam can become either electricity (useful for running modern life ...

The device will be using the power of the sun to create a solar power to drive small electronic equipments like the garden lights, Halloween decorations, and battery powered night lamps. A single ...

Discover how to build a simple solar cell at home using everyday materials! This step-by-step tutorial demonstrates how to repurpose an aluminum can, a CD, copper wire, toothpaste, lemon juice, and a ...

Dear Jim: We have teenage daughters who take long showers. Our water heating costs are sky-high. We are on a tight budget, but want to use some solar water heating. Is there a system we can make ...

These portable solar panels make it easy to experiment with renewable energy. Here’s how they work and how much you could ...

Offering solar savings to apartment dwellers, and particularly renters, is not a simple task – as low take-up in Germany has demonstrated. Mel Bergsneider, from Australian startup Allume Energy, ...