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 ...

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 ...

Lawal Sheriff Olakunle with his solar fan. Living in Lagos, 33-year-old Lawal Sheriff Olakunle is used to electricity shortages. He considers 10–15 hours of electricity a day to be stable power. But ...

[Michael Mogenson] built Firefly Jar – a simple circuit to light up flickering LEDs inside a standard Mason Jar, to give away to friends and family for the holidays. Given it’s simplicity and ...

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 ...

This company connects you with solar farms so you can buy clean electricity -- if community solar is available where you live. One of the largest community solar companies in the US, Arcadia is hoping ...