Hydrogen! It’s a highly flammable gas that seems way too cool to be easy to come by. And yet, it’s actually trivial to make it out of water if you know how. [Maciej Nowak] has shown us how to do just ...

Discover how to create a simple magnetic generator using everyday repurposed materials in this step-by-step guide. We use items like a Fanta cap, DC motor, old CD, magnets, syringe plunger, and a ...