Got an old air conditioning compressor lying around? And some engineering skills? Why not turn that thing into a real, working internal combustion engine? That's what one YouTuber did, and the result ...

Years ago, it was common for shops to have a central power source that drove all the tools through a system of belts, wheels and driveshafts. The power was routed around the work space by mechanical ...

Compressor efficiency might not sound like the most exciting topic in the world, but consider this: the hotter the world gets – and the wealthier its developing countries become – the more air ...