Inventors Insiders (http://www.fromusalive.com/invent/invent.htm ) offers a variety of online streaming videos. (Hint: It helps to have a faster modem/Internet connection.) You can view shows covering intellectual property, trademark issues, what to do about patent violations, and ten rules for making money with your invention, among others.
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.