Under typical indoor illumination of around 500 lux, from light sources such as LED or fluorescent light, the device’s power conversion efficiency is just below 15%. The largest device has an ...

But which parts should you choose? Low Tech Magazine has the answer, in the form of a guide to building a small solar power system. The result is an extremely comprehensive guide, and though it ...

These technologies include small turbines in the front, photovoltaic panels on the sides and solar thermal collectors on the roof. What do the collectors do? They heat water to power a stirling ...