Dwyer Instruments (www.dwyer-inst.com) says its new Series 7000B Spirahelic Pressure Gage with Diaphragm Seal would laugh, if it could, at severe applications with high cycle rates, continuous vibration and shock, or pressure surges and spikes. The company says the product handles corrosive media service with all 316 stainless steel wetted materials. Reportedly, the units are maintenance free and require no lubrication.
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.
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