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 ...

I will show how to make a simple but yet powerful 220 volt generator. What you need is: -A commutator motoror or any other 12 volt motor; A screw driver chuck; A 12 to 220 volt uninterruptible power ...