Learn how to create your own portable fan with this step-by-step DIY tutorial. Using a DC motor, handmade propeller, simple ...

Discover how to create a simple thermal motor using an aluminum can and two small DC motors. This step-by-step tutorial demonstrates each stage of building a DIY thermal engine that transforms heat ...

Building a paper tape reader by itself isn’t super complicated: you need a source of light, some photoreceptors behind the tape to register the presence of holes and some way to pull the tape through ...

If you own more than a two performance cars, then having a portable battery pack is a quick and easy resource when a battery goes flat. We looked into several portable battery packs that offer ...

If you own more than a two performance cars, then having a portable battery pack is a quick and easy resource when a battery goes flat. We looked into several portable battery packs that offer ...