Cap screws

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 […]

Wind Lantern

In this project, we’ll build a small, vertical-axis wind turbine, or VAWT for short. These are not as efficient as their horizontal-axis cousins, but they are better suited to urban environments where wind can come from all different directions. Normally, when you give electricity to a motor, it spins. The same is true in reverse: […]