This open-source compression screw grinder aims to make small-scale plastic recyclers easier to build. Coming from the lab of [Joshua Pearce] at the Michigan Technological University in ...

Just how much abuse these plastic screws can withstand was an open question, though, until he did a little torque testing to find out. To run the experiments, [Sanford]’s first stop was Harbor ...

When the goal is to join materials, options are seemingly endless: welding, crimping, gluing cementing and so on. Fasteners ...