The GC and GS Series pneumatic-guided actuators are designed to be simple, reliable, and provide high positioning accuracy for linear motion applications. They feature standard industrial bearings, shock absorbers (GS only), and piston magnets and optional sensors that are widely available. The GC Series is designed for simple "push" applications and the GS Series is designed for pick-and-place applications.
A make-your-own Star Wars Sith Lightsaber hilt is heftier and better-looking than most others out there, according to its maker, Sean Charlesworth. You can 3D print it from free source files, and there's even a hardware kit available -- not free -- so you can build one just in time for Halloween.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies.
You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived.
So if you can't attend live, attend at your convenience.