Flying may become a more serene experience for those traveling on the new 737 NG Boeing Business Jet. Engineers have completed tests on a new active noise and vibration control system, supplied by the LORD Corp., which has provided engine isolators and mounts, hydraulic pump, and interior isolators for a variety of aircraft. Sound pressure levels dropped an average of 8 to 12 decibels for N1 engine tones. That's significant, especially when you consider that decibels are logarithms of sound levels. Now, if only someone could do something about those screaming babies.
Producing high-quality end-production metal parts with additive manufacturing for applications like aerospace and medical requires very tightly controlled processes and materials. New standards and guidelines for machines and processes, materials, and printed parts are underway from bodies such as ASTM International.
Engineers at the University of San Diego’s Jacobs School of Engineering have designed biobatteries on commercial tattoo paper, with an anode and cathode screen-printed on and modified to harvest energy from lactate in a person’s sweat.
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.