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Products: Electronics & Computers
The PRV-1059 VLAN-enabled 5-port PC/104 Ethernet switch from Parvus Corp. (Salt Lake City, UT) is designed and tested to MIL-STD-810F, and features low power consumption of 1.5 watts and...
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Briefs: Software
User Interactive Software for Analysis of Human Physiological Data
Ambulatory physiological monitoring has been used to study human health and performance in space and in a variety of Earth-based environments (e.g., military aircraft, armored vehicles, small groups in isolation, and patients). Large, multi-channel data files are typically recorded...
Briefs: Mechanical & Fluid Systems
system for real-time detection of surface- fatigue-pitting damage to gears for use in a helicopter transmission is based on fuzzy-logic used to fuse data from sensors that measure...
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Briefs: Software
Representation of Serendipitous Scientific Data
A computer program defines and implements an innovative kind of data structure than can be used for representing information derived from serendipitous discoveries made via collection of scientific data on long exploratory spacecraft missions. Data structures capable of collecting any kind of data can...
Briefs: Physical Sciences
Increasing the accuracy of storm-surge flood forecasts is essential for improving preparedness for hurricanes and other severe storms and, in particular, for optimizing...
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Briefs: Software
Dynamically Alterable Arrays of Polymorphic Data Types
An application library package was developed that represents data packets for Deep Space Network (DSN) message packets as dynamically alterable arrays composed of arbitrary polymorphic data types. The software was to address a limitation of the present state of the practice for having an array...
Briefs: Software
Identifying Trends in Deep Space Network Monitor Data
A computer program has been developed that analyzes Deep Space Network monitor data, looking for changes of trends in critical parameters. This program represents a significant improvement over the previous practice of manually plotting data and visually inspecting the resulting graphs to...
Briefs: Software
Predicting Lifetime of a Thermomechanically Loaded Component
NASALIFE is a computer program for predicting the lifetime, as affected by low cycle fatigue (LCF) and creep rupture, of a structural component subject to temporally varying, multiaxial thermomechanical loads. The component could be, for example, part of an aircraft turbine engine....
Briefs: Software
Partial Automation of Requirements Tracing
Requirements Tracing on Target (RETRO) is software for after-the-fact tracing of textual requirements to support independent verification and validation of software. RETRO applies one of three user-selectable information-retrieval techniques: (1) term frequency/inverse document frequency (TF/IDF) vector...
Briefs: Software
Automated Synthesis of Architectures of Avionic Systems
The Architecture Synthesis Tool (AST) is software that automatically synthesizes software and hardware architectures of avionic systems. The AST is expected to be most helpful during initial formulation of an avionic-system design, when system requirements change frequently and manual...
Briefs: Software
SSRL Emergency Response Shore Tool
The SSRL Emergency Response Shore Tool (wherein “SSRL” signifies “Smart Systems Research Laboratory”) is a computer program within a system of communication and mobile-computing software and hardware being developed to increase the situational awareness of first responders at building collapses. This...
Briefs: Semiconductors & ICs
Theoretical analysis and some experiments have shown that the silicon-on-insulator (SOI) 4-gate transistors known as G4-FETs can be used as building blocks of four-quadrant analog voltage...
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Briefs: Materials
Microscopic thermal-contact pads that include carpetlike arrays of carbon nanotubes have been invented for dissipating heat generated in integrated circuits and similarly sized single electronic...
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Blog
DESIGN AND WIN TODAY!
If you haven't already submitted your design idea, you only have until this Friday, Nov. 17, to enter the fifth annual "Create the Future" design contest. You could win the Grand Prize of a hybrid car or $20,000 in cash. Visit http://link.abpi.net/l.php?20061113A9 for entry details. The contest is sponsored by Emhart...
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PRODUCT OF THE MONTH
The Model M7500 infrared camera from Mikron Infrared (Oakland, NJ) was named PTB Product of the Month for November. The camera is an uncooled microbolometer camera that is configurable for mid-wave or long-wave imaging in four different temperature bands, and provides resolution of 320 x 240. It uses spectral tuning technology...
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CURRENT ATTRACTIONS
Looking ahead to 2007, optical design software will continue to enhance the capabilities of designers who must predict and analyze the performance of optical systems without experimental prototyping. An article in the November issue of Photonics Tech Briefs (PTB) titled "Optical Software in 2007: Isn't That Easy?" provides an...
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TECHNOLOGY BUSINESS NEEDS
Smart Materials with Precisely Controlled Constriction Properties A multi-billion-dollar electronics company seeks proposals describing responsive materials having controllable planar constriction. http://link.abpi.net/l.php?20061113A3
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MAKING BLIND CELLS SEE
The newly created UC Berkeley/Lawrence Berkeley National Laboratory Nanomedicine Development Center is developing a method to put light-sensitive switches in the body's cells that can be flipped on and off. Optical switches like these could trigger a chemical reaction, activate a drug, initiate a muscle contraction, or...
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WHITE PAPERS
Torque Measurement Methods This white paper from HBM outlines torque measurement in the following areas: calculation from electrical power, measuring reaction torque, measuring in-line torque, and strain gages in torque measurement. It showcases torque measurement products in action and details how measurement experts measure torque. ...
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EVENT ALERT
ATK Launch Systems is the world's leading manufacturer of solid rocket motor systems for space launch vehicles. We are looking for experienced engineers and project managers to work with us on Ares I, the successor to the space shuttle. Open house for qualified candidates will be held November 13 and 14 at the Crowne Plaza Los Angeles...
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"CREATE THE FUTURE" TODAY
A hybrid automobile or $20,000 in cash is the Grand Prize in Emhart Teknologies' and NASA Tech Briefs' fifth annual "Create the Future" Design Contest. Engineers, students, and the general public are encouraged to submit their ideas. View the official entry form and contest rules here. Categories are Everyday Products,...
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MOTION CONTROL NEWS
AST Bearings (Montville, NJ) introduced the High Carbon Chromium Steel Tapered Roller Bearings line, comprised of the inner and outer rings, tapered rollers, and a cage (roller retainer). The rings and rollers carry the load; the cage spaces and retains the rollers on the inner ring. For more information click here. Harmonic...
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GRIP-LEARNING ROBOT
Engineers at Stanford University (Stanford, CA) have devised an algorithm that allows a robot to recognize unfamiliar objects and determine the best way to pick them up. The robot was first trained in a computer-generated environment to pick up five items: a cup, pencil, brick, book, and martini glass. The algorithm locates the...
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TECHNOLOGIES OF THE WEEK
This filtration device removes gas phase contaminants from an air stream in a non-mechanical, non-cyclic, continuous manner. Odor removal is accomplished by directing an air stream through a filter element consisting of partially hollow wicking fibers. View this technology here.
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AERATED SHOWER
Scientists at the Commonwealth Scientific and Industrial Research Organization (CSIRO, Clayton, Australia) have designed a showerhead that saves 30% more water than conventional heads by adding air into the water stream. The resulting shower feels just as "wet" as one with a conventional head.
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TECHNOLOGIES OF THE WEEK
This technology is based on an ice model for structural integrity with regard to load and impact. Understanding how structures perform against ice-loads is vital to ensure that structures continue to operate safely. View this technology here.
Blog
WHITE PAPER
Automated 3D Surface Contact for Nastran FEA NEiNastran V9 adds a powerful new feature that allows automatic surface contact generation (ASCG) between discontinuous bodies. This paper discusses different applications of ASCG as well as some of the more advanced features. Click here for more.
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TECHNOLOGY BUSINESS NEEDS
Heat-Resistant, High Dielectric Constant Materials A global electronic components manufacturer is seeking proposals for highly heat-resistant, high dielectric constant materials for capacitors used in power devices. Click here for more.
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EVENT ALERT
Free Webinar: Validate Avionics Performance with Realistic Simulation If you design, analyze, or test Avionics equipment, attend this webinar. In 60 minutes, learn how to accelerate the evaluation and validation of reliable performance of your Avionics designs and manufacturing processes. Click here.

Ask the Expert

John Chandler on Achieving Quality Motion Control
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FAULHABER MICROMO brings together the highest quality motion technologies and value-added services, together with global engineering, sourcing, and manufacturing, to deliver top quality micro motion solutions. With 34 years’ experience, John Chandler injects a key engineering perspective into all new projects and enjoys working closely with OEM customers to bring exciting new technologies to market.

Inside Story

Inside Story: Trends in Packaging and Sterilization
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Eurofins Medical Device Testing (MDT) provides a full scope of testing services. In this interview, Eurofins’ experts, Sunny Modi, PhD, Director of Package Testing; and Elizabeth Sydnor, Director of Microbiology; answer common questions on medical device packaging and sterilization.