DIRAK Inc. (Chantilly, VA) has developed a new padlockable "L-Handle with defeater," whose design offers a keyed cylinder barrel or slotted-insert access mechanism as well as a padlock. The automatic defeater, which closes and locks the handle without any secondary latching operation on the part of the user, provides security even in the absence of a padlock. The padlockable L-Handle targets indoor and outdoor enclosure applications in industries requiring restricted access—including networking, telecommunications, medical, food equipment, HVAC, and industrial machinery. For more information, visit www.dirak.com.
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.
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