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Methodology for Providing Secure Time Stamps or Signals for Documents and Other Computer Files The secure time stamps include an externally generated time signal. More information here.

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Monitoring Darfur



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Climate Modeling



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Current Attractions

CAD/FEA Software Named NTB's June Product of the Month ALGOR V20 from ALGOR, Inc. (Pittsburgh, PA) has been named NTB's Product of the Month for June. An integrated CAD/finite element analysis (FEA) modeling environment for working with imported CAD models or building original models, the new release features design scenarios that let a single FEA model contain numerous analyses; a software wizard for creating bolts and fasteners; design studies and size optimization, which provide automated tools for achieving optimal designs based on user-supplied criteria; and improved meshing capabilities. The software supports multiple rotating frames of reference for 3D modeling of complex fans and similar systems, and the capability to define results-based load curves for Mechanical Event Simulation.

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Tech Needs of the Week

Wanted: Coating Solutions for UV Applications A cost-efficient anti-graffiti coating solution is needed for application to flexible PVC film. The coating should add a flexible transparent layer with specific properties: scratch & UV resistant, stable physical behavior between -30 degrees and 90 degrees Celsius, and resistant to solvents and alcohols used for graffiti cleaning. To respond to this Tech Need visit click here.

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NASA News

NASA Spacecraft Zaps Venus with a Laser On June 5, NASA's MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft flew past Venus just 338 km above the planet's surface and shot a laser into the clouds. Although MESSENGER is on a mission to Mercury, the spacecraft must pass by Venus for a gravity assist en route. In passing, researchers hope to learn a few things about the planet with sulfuric acid clouds, a choking carbon dioxide atmosphere, and a surface hot enough to melt lead.

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Navy Remote Sensing



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