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White Papers

Confronting the Antenna Challenges in Today's Military Applications Antenna engineers are now face increasingly difficult concerns regarding directionality, frequency variations, isolation, and testing. This paper from Emerson & Cuming Microwave Products describes how the use of microwave absorbers and dielectric materials can offer today's antenna engineers solutions to address these challenges.

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Current Attractions

In a crash, keeping the occupants alive and uninjured is paramount. As a part of the Structural Dynamics Branch in the Research and Technology Directorate at NASA Langley, the Landing and Impact Research Facility (LandIR) tests the safety of aircraft by crashing them. Dr. Karen Jackson is part of the research team.

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Technology Business Brief

Lightweight, High-Performance Propeller/Rotor/Wind Turbine Blade The turbine blade features a much lighter, more efficient, less expensive, and entirely new structural design. Other advantages offered by this technology include increased performance, lower noise, decreased maintenance time and expense, and optimized electronic pitch control. View this brief here.

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NASA News

NASA's new Science Mission Directorate Associate Administrator Alan Stern has appointed NASA scientist and 2006 Nobel Prize recipient John Mather to lead the Office of the Chief Scientist at Headquarters in Washington, DC. Mather and his staff will be chief advisors to Stern. Office responsibilities will include assisting the associate administrator in setting flight mission and research budget priorities for all NASA science programs. The office will help develop and enhance discussions with the national and international science community. In 2006, Mather and George Smoot of the Lawrence Berkeley National Laboratory (Berkeley, CA) received the Nobel Prize for Physics for their collaborative work in understanding the Big Bang.

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Dental Device



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Current Attractions

The Desktop 3D Scanner from NextEngine (Santa Monica, CA) was named NTB's Product of the Month for April. A full-color multi-laser scanner that scans complex shapes for CAD and 3D design applications on the desktop, the scanner is about the size of a cereal box and connects directly to a PC via USB 2.0. It operates with proprietary MultiStripe Laser Triangulation (MLT) technology that features twin arrays of four Class 1M 10-mW solid-state lasers with custom optics at a 650-nm wavelength. The scanner also features twin 3-megapixel CMOS RGB image sensors, optically synchronous RGB color texture capture, and built-in spatially diverse white-light texture illuminators.

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Awards



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