Air compressors are often loud, raucous machines – but they don’t have to be. [Eric Strebel] built a remarkably quiet compressor using parts salvaged from an old fridge. After several years of use, it ...

Having compressed air available in a workshop can be extremely useful. Having a compressor isn’t such a pleasure though, because unless it’s a very expensive model, it will be one of the noisier ...

An explanation of when a refrigerator can be transported on its side, what can go wrong inside the sealed system, and why ...

So much of our everyday lives relies on gravity. We jump, toss a ball, pour ourselves a drink and experience rain, all thanks to the natural force. Still, it’s easy to forget that even a household ...