At the Houston Museum of Natural Science they recently made a disturbing discovery: their Foucault pendulum had stopped ...

How about making a simple robot built with an inverted pendulum mechanism? The robot would balance on two wheels and uses a simple switch and sensor circuit. This would help beginners to get a hang of ...

The objective of this little post is to probe electronics hidden inside a cheap solar dancing flower toy. The solar dancing flower toy here does not need batteries, thanks to its small solar panel. It ...