I have written a numerical optimizer for LTSpice IV. It uses a very fast evolutionary algorithm to automatically adjust component values during an LTSpice IV simulation. You set whatever circuit performance objectives you require using simple text comments in the LTSpice schematic. It is easy to use and set-up and is well worth having if you use LTSpice IV.
Altair has released an update of its HyperWorks computer-aided engineering simulation suite that includes new features focusing on four key areas of product design: performance optimization, lightweight design, lead-time reduction, and new technologies.
At IMTS last week, Stratasys introduced two new multi-materials PolyJet 3D printers, plus a new UV-resistant material for its FDM production 3D printers. They can be used in making jigs and fixtures, as well as prototypes and small runs of production parts.
In a line of ultra-futuristic projects, DARPA is developing a brain microchip that will help heal the bodies and minds of soldiers. A final product is far off, but preliminary chips are already being tested.
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