Drill bits

Make: Compressed Air Rockets Kit

Make: Compressed Air Rockets Kit

Building this rocket launcher is a breeze, and folks are always amazed at how it shoots reusable paper rockets 200–300 feet high. The launcher is made from PVC pipe. You pressurize its chamber to 75psi with about 18 strokes of a bicycle pump, then release all the pressure in a split second through an electric […]

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Infrared String Bass

Infrared String Bass

[youtube http://www.youtube.com/watch?v=acoaN4IIqNw?wmode=opaque&w=620&h=349] In this project we’re going to take inspiration from Len Keeler’s original Elastic String Bass. We’ll pick it up (no pun intended) and run with it, adding multiple strings for different tonal qualities, etch our own printed circuit board (PCB), and of course, demonstrate the instrument. First we will breadboard the basic version […]

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Lighted Shelf

Lighted Shelf

Since my wife’s perfume collection was literally taking up the bathroom, I built a lighted shelf in the bedroom to accommodate the many bottles she has. It also gives off a very nice glow at night.

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Coffee Table MAME Console

Coffee Table MAME Console

By John Baichtal and Adam Wolf Do you remember those classic video game arcades filled with rattling quarters, 8-bit songs, and flashing lights? You can reclaim that excitement in your own living room with this Coffee Table MAME Console. In 1997, Italian software developer Nicola Salmoria released the first iteration of MAME (Multiple Arcade Machine […]

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