Special Coverage

Self-Healing Wire Insulation
Thermomechanical Methodology for Stabilizing Shape Memory Alloy (SMA) Response
Space Optical Communications Using Laser Beams
High Field Superconducting Magnets
Active Response Gravity Offload and Method
Strat-X
Sonar Inspection Robot System
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Nano 50â„¢ Awards

Nanotech Briefs magazine is now accepting nominations for its third annual Nano 50 awards competition. The Nano 50 recognizes the top 50 technologies, innovators, and products with the greatest potential to advance the commercialization of nanotechnology.

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Event Alert

Free Webinar: Join us and other engineering professionals at the "Adobe and Alibre Technology Seminar" on Wednesday, February 28. Alibre, Inc. and Adobe Inc. are coming together to provide an informative online seminar that reviews how other leading-edge companies have used new and affordable technology to redefine their design process. Click here for more info.

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Current Attractions

The Air Force's Technology Horizons magazine is now Defense Tech Briefs (DTB),providing engineers with a one-stop source for the latest advances and tech transfer opportunities from Defense Department R&D programs. Commercially promising inventions resulting from this work are reported in DTB magazine, published bi-monthly and mailed with NASA Tech Briefs. Here are some of the technologies featured in the February issue:

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Tech Needs

Technologies are needed for the economical production of polymers that are based on today's generally accepted standards for "green" chemistry. Of particular interest are chemistries that produce safe chemicals, and/or that use safer solvents and auxiliaries, and/or that produce chemicals designed for degradation. Click here to respond to this Tech Need.

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X-Ray Vision



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Advances in Measurement of Skin Friction in Airflow

This system implements a combination of established experimental techniques and advanced image processing. The surface interferometric skin-friction (SISF) measurement system is an instrument for determining the distribution of surface shear stress (skin friction) on a wind-tunnel model. The SISF system utilizes the established oil-film interference method, along with advanced image-data-processing techniques and mathematical models that express the relationship between interferograms and skin friction, to determine the distribution of skin friction over an observed region of the surface of a model during a single wind-tunnel test.

Posted in: Briefs, Test & Measurement

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Ginger N. Flores, LOCAD Project Manager, NASA Marshall Space Flight Center, Huntsville, AL

Diagnosis on Earth is a fairly simple procedure, done at any hospital or medical center. In space flight, however, where doctors and even basic medical equipment may be lacking, falling ill is a serious matter for both astronaut and ground control. Using horseshoe crab blood as a reactive agent, the Lab-On-a-Chip Application Development-Portable Test System (LOCAD-PTS) is a handheld device developed by NASA researchers to help identify microorganisms. Ginger N. Flores is the LOCAD project manager.

Posted in: Who's Who

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