Learn how to build an amazing hand-operated electric generator that powers a small cardboard house and lighting poles. This simple yet effective project is a great idea for a science fair or ...

Simple yet effective way to repurpose a fridge compressor into a functional electric generator. With careful assembly and ...

into electrical energy. Here, we describe how to use readily available materials to make a simple generator. Although it will only be powerful enough to light a small torch bulb, it works on the ...