Acuitiv Software has released version 3 of its visualization program for computational fluid dynamics (CFD). Used with such CFD products as Fluent, Star, and CFX, Acuitiv is a post processor that runs on Linux, Unix, Windows 2000, and Windows XP. Among its claimed advantages: the ability to bring up menus in a virtual environment and navigate directly to specific elements of the design model.
A make-your-own Star Wars Sith Lightsaber hilt is heftier and better-looking than most others out there, according to its maker, Sean Charlesworth. You can 3D print it from free source files, and there's even a hardware kit available -- not free -- so you can build one just in time for Halloween.
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