Popsicle Stick Switch

A momentary contact Single Pole Single Throw (S.P.S.T.) switch that is based on a Popsicle Stick. It is easy to build and the builder learns how a switch works. Read more »

Operating Railroad Grade Crossing Signal

It seems that no matter how much things change, one thing that is always constant is a kid’s fascination with all things trains. When my son was about 4 years old he was fascinated by passing trains. Even more captivating to him was the railroad crossing signals which would flash... Read more »

Chess/Checker Board from Tile Remnants

My kids love to play chess/checkers with their colorful new boards made from remnant 12″x12″ marble! Duct tape is an amazing material. We made it easy to work with by adding aluminum foil before the cutting process. Spare coins can serve as checkers or chessboard pieces! Read more »

Software Defined Radio Transceiver

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  • 12/18/2012 @ 11:02 pm

This is an amateur radio transceiver that operates on the medium or short wave bands. It is a software defined radio, meaning that it uses a computer to control the radio, to demodulate the signals received, and to modulate the signal transmitted. The computer control and signals in and out... Read more »

The “Beer-Perch”

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  • 12/18/2012 @ 10:57 pm

OK, so I didn’t really use beer bottles, but it’s the same idea. This project is a cheap, easy way to make a perch for your bird. Plus, it looks better than most store-bought, cheaply painted models! Enjoy! Read more »

Diet Coke and Mentos Fountain Nozzle

The reaction of when a regular mint (or fruit) Mentos is dropped into a bottle of diet Coke can create a fountain of soda. Without a nozzle, you will have a Coke fountain only about 5 feet high. With this, you can have a Coke fountain up to 10 feet!... Read more »