The Castaic Lake Pressure Control Structure, which maintains water delivery along the California Aqueduct, has purchased LED lamps from LEDtronics (www.ledtronics.com) to replace 500 incandescent lamps in its control panels. At any given time one-third of the incandescent lamps were out, leaving operators in the dark about critical processes. Unlike incandescent lights that use fragile metal filaments and glass globes, an LED is made from semiconductor materials encased in a solid epoxy lens, making it reliable for harsh industrial conditions.
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.
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