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Briefs: Materials
Strong, Lightweight, Porous Materials
A new class of strong, lightweight, porous materials has been invented as an outgrowth of an effort to develop reinforced silica aerogels. The new material, called X-Aerogel is less hygroscopic, but no less porous and of similar density to the corresponding unmodified aerogels. However, the property that sets...
Briefs: Materials
Nanowicks are dense mats of nanoscale fibers that are expected to enable the development of a variety of novel capillary pumps, filters, and fluidic control devices. Nanowicks make it possible obtain a variety of novel effects,...
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Briefs: Materials
TUFROC (Toughened Uni-piece Fibrous Reinforced Oxidation- resistant Composite) has been developed as a new thermal protection system (TPS) material for wing leading edge and nose cap...
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Briefs: Manufacturing & Prototyping
The figure depicts selected aspects of the rapid and quiet drill (RAQD), which is a prototype apparatus for drilling concrete or bricks. The design and basic principle of operation of the RAQD overlap, in several respects,...
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Briefs: Manufacturing & Prototyping
A relatively simple and economical process and apparatus for concentrating hydrogen peroxide from aqueous solution at the point of use have been invented. The need for this or a similar invention arises for the...
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Briefs: Semiconductors & ICs
The figure shows two monolithic microwave integrated-circuit (MMIC) amplifier chips optimized to function in the frequency range of 90 to 130 GHz, covering nearly all of F-band (90 – 140 GHz). These...
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Briefs: Electronics & Computers
A printed, folded, Hilbert-curve fractal microwave antenna has been designed and built to offer advantages of compactness and low mass, relative to other antennas designed for the...
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Briefs: Electronics & Computers
Panoramic detection systems (PDSs) are developmental video monitoring and image-data processing systems that, as their name indicates, acquire panoramic views. More specifically, a PDS acquires images...
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Briefs: Electronics & Computers
Electronic circuitry has been developed to serve as an interface between an electronic tongue and digital input/output boards in a laptop computer that is used to control the tongue and...
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Briefs: Electronics & Computers
An inexpensive wall clock has been devised for displaying solar time or sidereal time as it would be perceived on a planet other than the Earth, or for displaying sidereal time on the...
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Briefs: Electronics & Computers
An efficient arrangement of four switches has been conceived for coupling, to four output ports, the output powers of any subset of four devices that are members of a redundant set of...
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Briefs: Electronics & Computers
A lightweight reflectarray antenna that would enable simultaneous operation at frequencies near 7.115 GHz and frequencies near 32 GHz is undergoing development. More precisely, what is being...
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Briefs: Information Technology
C Namelist Facility
C Namelist Facility (CNL) is a package of software that supports the development of data-driven programs that utilize relatively free-form input files (e.g., text files) to control complex operations. The only comparable prior namelist facility is built into Fortran and does not support arrays or records. Newer computing...
Briefs: Information Technology
Software Framework for Peer Data-Management Services
Object Oriented Data Technology (OODT) is a software framework for creating a Web-based system for exchange of scientific data that are stored in diverse formats on computers at different sites under the management of scientific peers. OODT software consists of a set of cooperating, distributed...
Briefs: Electronics & Computers
The figure is a simplified diagram of a relatively inexpensive controller for a DiCon VX (or equivalent) fiber-optic switch — an electromechanically actuated switch for optically connecting one...
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Blog
Techs of the Week
The Biomedical Center in Moscow has produced a vaccine that induces cytotoxic lymphocyte (CTL) clones and enables them to recognize and selectively kill Listeria- infected cells. As the lifetime of CTL clones is very long (three-seven years or more), the formulation could be used for both prophylaxis and treatment of Listeriosis,...
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Smart Cars
Cars already automatically lock doors when they sense motion and turn on warning lights if they detect engine problems. But they are about to get a lot smarter. A research team at Sandia National Laboratories (Albuquerque, NM) is designing cars capable of analyzing human behavior. Future models may, for example, deduce from your driving...
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Technology Business Briefs
Vertical Take-Off and Landing with Fixed-Wing Speed and Efficiency This technology, already proven under a US Army contract, creates a hybrid aircraft that combines the best attributes of helicopters with the best attributes of fixed wing aircraft, i.e. VTOL and safe auto-rotation of gyroplanes with the efficiency, cost,...
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Smooth Flying
A new turbulence detection system alerts pilots to patches of rough air as they fly through clouds. The system, designed by the National Center for Atmospheric Research (NCAR) and tested by United Airlines on commercial flights, is designed to better protect passengers from injuries caused by turbulence while reducing flight delays...
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Create the Future & Win Big!
Your unique invention could win you $20,000 or other great prizes in the 2007 Create the Future Design Contest, presented by SolidWorks Corp. and NASA Tech Briefs. Innovative design ideas are being accepted in six categories: Machinery, Equipment, and Component Technology; Consumer Products; Medical; Safety and...
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Where There's Smoke
Glowing firebrands (burning wood pieces) make for a warm evening in front of the fireplace, but for homeowners in high fire-risk areas, windborne fire material can be a nightmare. The National Institute of Standards and Technology (NIST) has built a firebrand generator to study how firebrands ignite structures. It generates...
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Tech Needs of the Week
A company is seeking an absorbent pad capable of being loaded with a terpanol, which, when saturated, will allow the free flow of air or other gases through its structure. The pad can be made of any thickness or material, and can be used in household, office, and industrial applications. Find out more here.
Blog: Nanotechnology
Nano Memory
Scientists from the University of Pennsylvania have developed nanowires that can store computer data for 100,000 years and retrieve the data 1,000 times faster than existing portable memory devices such as Flash and micro-drives. The self-assembling nanowire is made of germanium antimony telluride, a phase-changing material that...
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New Products
The MDrive 14Plus Motion Control system from Intelligent Motion Systems (Marlborough, CT) combines the motor, driver, controller, and encoder in one system using a NEMA size 14 brushless 1.8-degree motor. It measures 1.9 x 1.4 x 2.0" and includes a programmable controller and programming instruction set. Communication is via RS-422/485...
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Long-Life Pump
Researchers at NASA's Johnson Space Center in Houston, TX, have developed a diaphragm pump driven by a piezoelectric actuator. The pump is a prototype of a lightweight pump for circulating cooling liquids in protective garments, high-power electronic circuits, and other medical applications. The pump contains no sliding seals or...
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Moving Towards Greatness
An unobtrusive sensor that collects and immediately transmits data from the human body could boost athletic performance. Developed at Imperial College London with funding from the Engineering and Physical Sciences Research Council (EPSRC) in the UK, the new sensor also has potential in healthcare. The sensor is the size of...
Blog: Materials
Current Attractions
Each month, NTB highlights tech briefs related to a particular area of technology in a special section called Technology Focus. Here are some of the technologies featured in the September issue focus on Composites & Coatings. - Rapid Fabrication of Carbide Matrix/Carbon Fiber Composites Researchers at NASAís Marshall...
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Techs of the Week
An epoxy coating for metals is a highly fluorinated, cross-linked polymer containing finely ground Teflon-like particles that impart permanent lubricity. The coated metal surfaces prepared with this technology have good corrosion resistance and durability. They are useful as seat rails, bushings, guide tracks, or any place where a...
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The Dark Web
Terrorists and extremists use the Internet to recruit new members, spread propaganda, and plan attacks. The size and scope of these dark corners of the Web are vast and disturbing. A team of computational scientists at the Artificial Intelligence Lab at the University of Arizona is using new approaches to track terrorists' moves...

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