Discover how to build a simple homopolar motor using everyday household items in this easy-to-follow tutorial. Learn the ...

Discover how to create a simple electric motor using everyday materials in this step-by-step tutorial. Learn how to build a ...

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 ...

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 ...