Special Coverage

Active Aircraft Pylon Noise Control System
Unmanned Aerial Systems Traffic Management
Method of Bonding Dissimilar Materials
Sonar Inspection Robot System
Applying the Dynamic Inertia Measurement Method to Full-Scale Aerospace Vehicles
Method and Apparatus for Measuring Surface Air Pressure
Fully Premixed, Low-Emission, High-Pressure, Multi-Fuel Burner
Self-Healing Wire Insulation
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Innovate and Win!

The 2007 Create the Future Design Contest, presented by SolidWorks Corp. and NASA Tech Briefs, is open for entries in these categories: Machinery, Equipment, and Component Technology; Consumer Products; Medical; Safety and Security; Transportation; and Sustainable Technologies.

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Out of Joint



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Techs of the Week

An infrared web moisture sensor, which is substantially temperature- and basis-weight insensitive comprises a source of infrared radiation for directing an infrared beam through the web, and an infrared detecting unit on the other side of the web that measures the transmission of the beam through the web at three separate wavelength regions. The transmission in the first wavelength region is primarily sensitive to the moisture content of the web. A process control computer controls devices that add moisture to portions of the web or selectively dry portions of the web, thereby producing a web having a desired moisture content.

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Crime-Busting Tool



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Innovate and Win!

Your unique invention could win you $20,000 or other great prizes. Enter your design idea in the 2007 Create the Future Design Contest, presented by SolidWorks Corp. and NASA Tech Briefs. Entries are being accepted in six categories: Machinery, Equipment, and Component Technology; Consumer Products; Medical; Safety and Security; Transportation; and Sustainable Technologies.

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Current Attractions

NASA's Dryden Flight Research Center in California has partnered with General Atomics Aeronautical Systems (GA-ASI) to demonstrate technologies that will expand the capabilities of remotely operated, unmanned aircraft to perform high-altitude Earth science missions. GA-ASI developed a version of its Predator reconnaissance aircraft, the Predator B, to meet these requirements.

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