Learn how to create a simple DIY electrical generator using a few easy-to-find materials. This step-by-step video guides you ...

Discover how to build a simple DIY water-powered electricity generator at home using accessible materials. This step-by-step tutorial demonstrates the construction of turbine blades, the assembly of ...

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 ...

This two-transistor white noise generator has a surprising feature – about 30dB more noise than the more traditional designs. Q1 and Q2 can be any small-signal transistors with a beta of up to 400.