Learn how to create a functional DIY mini vacuum cleaner using everyday materials like a plastic bottle and a small DC motor. Follow this step-by-step tutorial as we build a portable vacuum cleaner ...

Learn how to build your own simple DIY air pump using a plastic syringe, a small DC motor, and basic materials you may already have at home. This easy-to-follow tutorial walks you through each step, ...

In 1816, engineer Robert Stirling invented his proprietary Stirling engine, an automatic power source operated by ambient heat rather than direct fuel sources like an internal combustion engine. It ...

[Joe Barnard] made a solid propellant rocket motor, and as one does in such situations, he put it through its paces on the test stand. The video below is not about the test, nor is it about the ...

[Peter Holderith] set out some time ago to build an electric go-kart. That by itself is not terribly unusual, but where his project diverts from the usual is in the fact that each of the four wheels ...

The roar of an engine, the satisfaction of mechanical mastery, the potential cost savings—these are the siren calls that draw many automotive enthusiasts into the challenging world of engine overhauls ...