Flying ready-made quadcopters is fun. Eventually, though, most hackers get the urge to build their own. One of the most challenging parts is building a robust airframe. [Thomas Jarrett] has an ...

PVC pipe is useful for a range of tasks, from plumbing and irrigation applications, to framing material for hockey nets or other crafts. Regardless of the project, you’re going to need to cut that ...

Jemar Chalk slipped an extra piece of foam to the PVC pipe frame of the submarine he built. “Perfect,” the Peoria High School senior said. The buoyancy had to be just right for the miniature ...