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 ...

All it takes is a few PVC pipes, a drop cloth, and some basic tools to make this movie screen. Start popping the popcorn now, because you'll be done building it in no time. Follow these steps to ...

If your backpack's external frame died years ago or if you found a cheap ALICE pack on Craigslist without a frame, you can easily make one with around $3 worth of PVC piping and fittings. The only ...