How Do We Engineer Autos for 54.5 MPG?
Wolfe's Den 7/29/2011 123 comments Lighter automotive materials and hybrid engines are two engineering approaches towards meeting the Obama administration's goal of 54.5 mpg CAFE standards for automakers by 2025.
Siemens Issues SIMATIC Security Advisory
Wolfe's Den 7/7/2011 6 comments Siemens has issued a warning about a potential hacker entry point in its SIMATIC S7 family of programmable logic controllers, along with recommendations for protective security measures.
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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