Vortex tubes solve spot-cooling problems. Using compressed air as a power source, vortex tubes create two air streams, one hot and one cold, with no moving parts. These tubes can reproduce temperatures form -50 to 260F, flow rates from 1 to 150 scf/m, and refrigeration up to 10,200 BTU/hr. Catalog includes technical information on these and other products.
EXAIR Corp., 1250 Century Circle N., Cincinnati, OH 45246.
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.