In this engaging and educational video, learn how to make a motor generator to power light bulbs right at home. We’ll guide ...

Discover how to make a motor generator using a key in this step-by-step tutorial. Learn the principles of transforming ...

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 ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Start by making a list of the devices and appliances you need to power and add up the ...