Discover how to build a simple DIY Stirling engine powered by heat from candles using an empty spray can and pen components. This step-by-step guide demonstrates how to construct the engine, build a ...

This might not be the most practical outdoor light in the world, but what the Firewinderlacks in pedestrian utility it makes up for in sheer engaging awesomeness. Transforming wind into light, the ...

Grid-powered street lighting is something that many of us take for granted, but there are parts of the world where electricity is a scarce resource and when the sun goes down, local pedestrian traffic ...