Discover how to make a motor generator using a key in this step-by-step tutorial. Learn the principles of transforming mechanical energy into electrical energy through a simple yet effective DIY ...

In this fascinating tutorial, learn how to make a solenoid engine at home with simple materials and tools. We'll guide you through each step, explaining the science behind solenoid engines and how ...

For most gamers, a keyboard is just a keyboard—a tool you plug in and use. But what if it could be an extension of your hands ...

Clicky,” “Clacky,” and “Poppy” may sound like the latest cereal elves but they’re actually ways to describe the sounds of ...

A friend of mine, a non-subscriber on Ars, his father has something patented. I can ask him for advice.