solar power
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The Smartest And Most Energy Efficient Household Lightbulbs You Can Buy
5Thanks to strict government regulations, inefficient lighting in homes has quickly becoming a thing of the past. While compact fluorescent lamps (CFLs) have been around for a while, the far more efficient technology of LED lighting is now cheap enough to justify an upgrade. But which brands offer the best efficiency?
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Make Your Own Solar Charging USB Battery Pack
If you need a way to charge your gadgets on the go, and you’re not particularly fond of also having to charge a battery, let the sun do half of the work for you. Instructables user andrea biffi demonstrates how to make your own solar USB battery with four ports.
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Hack A Soft Drink Bottle Into A Solar Light
The video above shows how a man in an impoverished urban area in the Philippines created a solar light to brighten the densely packed windowless homes that are dark inside even when the sun is shining brightly. The method involves making a roof cutout to support the bottle and filling the bottle with water and…