Rubber band

Infrared String Bass

Infrared String Bass

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 of this […]

Talking Booby Trap

Talking Booby Trap

People snatching your top-secret stuff? Here’s a sneaky gizmo to keep those snoops away.

Carbon Fiber Primer

Carbon Fiber Primer

It seems as though nearly everything “high performance” these days boasts some amount of carbon fiber in its construction. Originally used in aerospace, carbon fiber has moved into the mainstream and can be found in luxury automobiles, mountain bikes, and sports equipment. Some laptops and cellphones even use printed decals to simulate this lightweight material’s […]

DIY BB Gun

DIY BB Gun

Make a DIY BB gun, but be careful and don’t hurt anyone!