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Out of Joint

Engineers at the University of Bath in the United Kingdom have developed a new diagnostic test that detects loosened artificial hip implants. The test measures the frequency of sound produced when the femur bone in the leg is vibrated. The method is more sensitive than the conventional method of using x-rays, and can diagnose much...

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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...

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Crime-Busting Tool

A team from Imperial College London's Department of Chemical Engineering has developed a new fingerprinting technique that could detect the diet and sex of a suspected criminal. The technique collects fingerprints along with their chemical residue and keeps them intact for future reference. Chemical residues contain a few...

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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...

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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...

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Technology Business Briefs

Automatic Sampling for Critical Dimension Measurement

This technology performs inspection of features on randomly selected fields for process control without over sampling or under sampling, thereby obtaining statistically accurate results and increasing production throughput.

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Novel Hydrogels

Scientists at the University of Delaware (UD) have developed a new biomaterial with antibacterial properties that can be injected as a low-viscosity gel into a wound, where it becomes rigid nearly on contact. The gel could be used to deliver a targeted payload of cells and antibiotics to repair damaged human tissue. Applications...

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Create the Future

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 Security;...

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Digital Design Center

NASA Tech Briefs' new Digital Design Center, sponsored by Autodesk, provides a one-stop source for the latest information on how to design better products faster. Featured on the site is the first in a series of exclusive excerpts from the new book, "Better Be Running! Tools to Drive Design Success" by Dr. Ronald Hollis,...

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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 August issue focus on Data Acquisition.

Two Algorithms for Processing Electronic Nose Data

Kennedy Space Center has developed two...

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Tech Needs of the Week

A company seeks technologies that will replicate the crunch and taste of batter-dipped, deep-fried food in a convenience food stored in a freezer and rapidly prepared in a microwave. The technology would limit the migration of water molecules during freezer storage and microwaving. All ingredient-based solutions must be...

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Printer Peril

A study by scientists at the Queensland University of Technology in Australia has determined that some laser printers used in offices and homes release tiny particles of toner-like material into the air that people can inhale deep into their lungs, where they may pose a health hazard.

The study team classified 17 out of 62...

INSIDER: Electronics & Computers
Cyber-Training Today’s Fighting Forces

Dramatic changes are taking place in the way U.S. service men and women prepare for their assignments. Since 9/11, the U.S. Department of Defense (DoD) is moving from a training cycle in which...

INSIDER: Electronics & Computers
Embedded Development and the .NET Micro Framework

The scenario:

You’ve been assigned the task of designing and producing an embedded device. You’ve been given time, cost and size constraints that impact your design. An initial analysis of the requirements leads you to the conclusion that a 32-bit processor with a relatively small...

Blog
Create the Future

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 Security;...

Blog
Coming Attractions

SolidWorks® 2008 3D CAD software from SolidWorks Corp. (Concord, MA) has been named NASA Tech Briefs' Product of the Month for August. The latest version of the software features a new user interface and 3D graphics, an enhancement of the SolidWorks Intelligent Feature Technology (SWIFT), and advanced design analysis...

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Tech Needs of the Week

A company seeks a material that will be used to transmissive-polarize 630-nanometer LED emissions. The material will be cut into flat disks no thicker than 2 mm. Diameters range from 9 mm to 72 mm. Temperature ranges are from -40 to 125 degrees Celsius for operation and -55 to 150 degrees Celsius for storage. Click here to...

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New! Digital Design Center

NASA Tech Briefs has launched the Digital Design Center, sponsored by Autodesk, that provides a one-stop source for the latest information on digital prototyping, simulation, and analysis tools to help designers and engineers design better products faster.

The site features CAD and CAE software news, design and...

Excerpts
Better Be Running! Tools to Drive Design Success (part 1)

This is the first in a series of excerpts from "Better Be Running! Tools to Drive Design Success" by Dr. Ronald Hollis, President, CEO, and Co-founder of Quickparts.com (Atlanta, GA). Written for business managers, the book focuses on manufacturing processes, tooling choices, and...

Articles: Electronics & Computers
Taking Advantage of Parallel Parametric Testing

The production of many electronic devices begins with wafer processing. In addition to complementary metal oxide semiconductor (CMOS) integrated circuits (ICs), this can include such diverse...

Presto Imaging Software
Inmagic
Woburn, MA
781-287-6277
www.inmagic.com

With every space shuttle mission, hundreds of individuals across NASA...

MSC Nastran and MSC Adams Enterprise
Simulation Software
MSC.Software Corp.
Santa Ana, CA
714-540-8900
www.mscsoftware.com...

Theoretical analysis and some experiments have demonstrated that silicon-on-insulator (SOI) 4-gate transistors of the type known as G4FETs could be efficiently...

Briefs: Electronics & Computers
Radiation-Tolerant Dual Data Bus

An architecture, and a method of utilizing the architecture, have been proposed to enable error-free operation of a data bus that includes, and is connected to, commercial off-the-shelf (COTS) circuits and...

Briefs: Software
Program Merges SAR Data on Terrain and Vegetation Heights

X/P Merge is a computer program that estimates ground-surface elevations and vegetation heights from multiple sets of data acquired by the GeoSAR instrument [a terrain-mapping synthetic-aperture radar (SAR) system that operates in the X and P bands]. X/P Merge software combines data from...

Briefs: Information Technology
Two Algorithms for Processing Electronic Nose Data

Two algorithms for processing the digitized readings of electronic noses, and computer programs to implement the algorithms, have been devised in a continuing effort to increase the utility of electronic noses as means of identifying airborne compounds and measuring their concentrations. One...

Briefs: Software
General-Purpose Front End for Real-Time Data Processing

FRONTIER is a computer program that functions as a front end for any of a variety of other software of both the artificial intelligence (AI) and conventional data-processing types. As used here, "front end" signifies interface software needed for acquiring and preprocessing data and making...

Briefs: Semiconductors & ICs
Cumulative Timers for Microprocessors

It has been proposed to equip future microprocessors with electronic cumulative timers, for essentially the same reasons for which land vehicles are equipped with odometers (total-distance-traveled...

Briefs: Electronics & Computers
Nanocomposite Photoelectrochemical Cells

Improved, solid-state photoelectrochemical cells for converting solar radiation to electricity have been proposed. (In general, photoelectrochemical cells convert incident light to electricity through electrochemical reactions.) It is predicted that in comparison with state-of-the-art photoelectrochemical...

Question of the Week
Will Self-Erasing Chips Catch On?

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Blog: Mechanical & Fluid Systems

Researchers Prove Their Elastic Exosuit Eases Back Stress

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