Wireless networks are making it simpler for police to preserve order when large crowds gather at events like Super Bowl XLII and the NASCAR Sprint Cup Series. The Glendale Police Dept. monitored activity at both using a video surveillance system from AgileMesh tied together by a wireless mesh network from Firetide. Officers can control the camera, which offers full pan and tilt and a 23x optical-zoom lens. Two levels of encryption ensure security. The mesh network makes it simple to put cameras where they're needed to monitor crowds and people in out-of-the-way areas.
A Tokyo company, Miraisens Inc., has unveiled a device that allows users to move virtual 3D objects around and "feel" them via a vibration sensor. The device has many applications within the gaming, medical, and 3D-printing industries.
In the last few years, use of CFD in building design has increased manifolds. Computational
fluid dynamics is effective in analyzing the flow and thermal properties of air within spaces. It can be used in buildings to find the best measures for comfortable temperature at low energy use.
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