Mike From Detroit

A Quick Gauss Gun Post In a simple Gauss Gun a steel ball rolls toward a magnet with two balls on the opposite side of it. The b...

The Sun is NOT the Center of Solar System: A Lesson in Elliptical Orbits We are going to cover elliptical orbits, ellipses, creatin...

Great Balls of Carbon!  ...ok, they're actually teeny-tiny charcoal spheres. These are little black balls I found i...

Aluminum Screams: A Saltwater Synthesizer If you touch copper wires to a drop of saltwater on aluminum you can hear decaying and regene...

The Power of Cold (and Hot) II: Thermoelectric Generator A few posts ago (The Power of Cold and Hot) we looked at a Stirling Engine, w...

Ohm the Capacity! ...actually, capacitance is measured in farads. Ohms are a unit of resistance. Here is my Heathkit decade resistan...