Electric steering systems offer fuel efficiency advantages and reduced CO2 emissions over hydraulic power steering systems that run nonstop. The compact Mazda 2's electric motors only respond when they're needed, saving pricey fuel. TRW Automotive provides software and plenty of hardware, including the electronic control unit, steering angle sensors and the column drive motor. Electric power steering systems communicate over the vehicle's CANbus, so data can be shared with other systems to improve overall driving comfort.
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.