Discover the fascinating world of science experiments with our step-by-step guide on how to make a DC motor using 12 screws. Perfect for a school project, this video demonstrates the principles behind ...

In this insightful and educational video, learn how to make a mini generator 220v using a DC motor. This step-by-step guide ...

The worst thing about a volume knob is that, having connected it to a computer, it might be wrong: if you’ve manually altered the volume settings somewhere else, the knob’s reading ...