March 2007

Maplesoft™, Waterloo, ON, Canada, has introduced Maple™ 11 mathematical software with a smart document environment that automatically captures technical knowledge in an electronic form that seamlessly...

While a single, peer-to-peer rover can cover a large territory and gather a wealth of information, an entire fleet of rovers could cover even more ground. However,...

While the latest news surrounding the U.S. auto industry continues to be focused on slumping sales and production cutbacks, automakers continue to turn out cars that highlight the...

One of the key advantages of fiber laser technology stems from the high conversion efficiency of the multimode pump radiation into high-brightness, single-mode laser light within the doped fiber...

Application Briefs: Photonics/Optics
Reactive Solders Improve Fiber Couplers and OE Bonding

Optical and optoelectronic (OE) devices are being rapidly integrated into many facets of everyday life. From telecommunications to sensor applications, these devices are expected to...

Briefs: Photonics/Optics
Recirculation of Laser Power in an Atomic Fountain

A new technique for laser-cooling atoms in a cesium atomic fountain frequency standard relies on recirculation of laser light through the atom-collection region of the fountain. The recirculation, accomplished by means of reflections from multiple fixed beam-splitter cubes, is such that each of...

A simplified method of generating a beam of light having a relatively high value of angular momentum (see figure) involves the use of a compact apparatus consisting mainly of a...

Two interferometric quantum-nondemolition (QND) devices have been proposed: (1) a polarization-independent device and (2) a polarization-preserving device. The...

Briefs: Photonics/Optics
Ring-Down Spectroscopy for Characterizing a CW Raman Laser

A relatively simple technique for characterizing an all-resonant intracavity continuous- wave (CW) solid-state Raman laser involves the use of ring-down spectroscopy. As used here, “characterizing” signifies determining such parameters as threshold pump power, Raman gain, conversion...

Intense, Ltd. (Glasgow, UK) released Hermes™, a family of High Power Laser (HPL) products. Included are single emitters, bars, conductively and micro-channel cooled bars, and stacks. The...

Products: Materials
Dichroic Filter

Patterned dichroic filters from Deposition Sciences, Inc. (Santa Rosa, CA) operate over a wide range of wavelengths, from near ultraviolet to infrared. Able to be applied in a variety of substrates in multiple shapes and...

Products: Photonics/Optics
Laser-Scanning Probe

Laser Design (Minneapolis, MN) released the SLP-2000 3D laser-scanning probe with an extra-long-laser line (8") and standard dual CMOS receptors. The device captures 50,000 to 75,000 points per second. The probe is...

Products: Photonics/Optics
Polarimeter

The P-2000 multi-option polarimeter from JASCO (Easton, MD) is designed to be customizable with options to handle a researcher’s initial requirements and then upgraded at a later date. The unit can operate via a PC with...

Products: Photonics/Optics
Image Simulation

The 2D Image Simulation feature in CODE V® 9.7 from Optical Research Associates (Pasadena, CA) allows users to visualize overall performance and communicate design tradeoffs to non-optical personnel. The function displays...

Products: Photonics/Optics
EUV Light Source

The model 642 Extreme Ultraviolet (EUV) light source from McPherson, Inc. (Chelmsford, MA) utilizes a filament to produce electrons that are accelerated toward a target by high voltage. It is stable, debris-free, and...

Products: Photonics/Optics
Laser Cutting System

Cincinnati Inc. (Cincinnati, OH) introduced the CL-707 high-speed, super-size laser with interchangeable 8 × 20' cutting tables. The linear motor drive delivers 10,000 ipm head positioning. The 5 kW power of the cutting...

Products: Photonics/Optics
LED Transmitters

OPTEK Technology (Carrollton, TX) offers the OPF670 series of fiber optic LED transmitters for integration into data communications equipment. The series consists of the OPF670 in a TO-46 package, the OPF672 in a standard...

Products: Photonics/Optics
Non-Circular Optical Fibers

Liekki (Lohja, Finland) has released square and rectangular optical fibers for high-power delivery applications. Square- and rectangular-shaped fibers more closely match optical sources. Different combinations —...

Products: Photonics/Optics
Tunable Light Source

The TLS Series of software-controlled (Windows®) wavelength tunable light sources from Optometrics Corp. (Ayer, MA) can be used for detector sensitivity testing, color matching, and characterization, as well as...

Briefs: Electronics & Computers
Advanced Systems for Monitoring Underwater Sounds

The term “Passive Acoustic Monitoring System” (PAMS) describes a developmental sensing and data-acquisition system for recording underwater sounds. The sounds (more precisely, digitized...

TEMBO® Elastic Memory Composite Hinges (EMCH)
Composite Technology Development (CTD) Lafayette, CO
303-664-0394
www.ctd-materials.com

Elastic Memory Composite Hinges...

focusLEO Low-Earth Orbit (LEO) flight dynamics software
GMV
Rockville, MD
301-926-0119
www.gmv.com

The Orbiting Carbon Observatory (OCO),...

Briefs: Electronics & Computers
Wireless Data-Acquisition System for Testing Rocket Engines

A prototype wireless data-acquisition system has been developed as a potential replacement for a wired data-acquisition system heretofore used in testing rocket engines. The traditional use of wires to connect sensors, signal-conditioning circuits, and data acquisition circuitry is...

Briefs: Electronics & Computers
Processing Raw HST Data With Up-to-Date Calibration Data

On-the-Fly Reprocessing (OTFR) is a collection of data-processing routines that work within the context of the Hubble Space Telescope (HST) pipeline data-flow system. The purpose served by OTFR is to generate, on demand, scientifically useful data products from raw HST data stored in an...

Briefs: Electronics & Computers
System for Secure Integration of Aviation Data

The Aviation Data Integration System (ADIS) of Ames Research Center has been established to promote analysis of aviation data by airlines and other interested users for purposes of enhancing the...

A system that would comprise mobile and stationary electronic hardware and software subsystems has been proposed for collection and automated interpretation of...

Briefs: Electronics & Computers
Servomotor and Controller Having Large Dynamic Range

A recently developed micro-commanding rotational position control system offers advantages of less mechanical complexity, less susceptibility to mechanical resonances, less power demand, less bulk, less weight, and lower cost, relative to prior rotational position control systems based on...

Briefs: Electronics & Computers
Digital Multicasting of Multiple Audio Streams

The Mission Control Center Voice Over Internet Protocol (MCC VOIP) system (see figure) comprises hardware and software that effect simultaneous, nearly real-time transmission of as many as 14...

Articles: Electronics & Computers
Multi-Cores: The Gateway to Next-Gen SBCs and Blades

With the introduction of Intel Core microarchitecture into embedded systems, history could very well repeat itself. The company that invented the microprocessor in 1971 and created the...

Application Briefs: Electronics & Computers
How to Design an Embedded RDBMS Search

As the cost of micro-disk and NAND Flash continue to drop, devices are storing more and more data. It is common now for a person's MP3 player to have more storage than their laptop. But this increase in...

Briefs: Physical Sciences
Complex Type-II Interband Cascade MQW Photodetectors

Multiple-quantum-well (MQW) photodetectors of a proposed type would contain active regions comprising multiple superlattice subregions. These devices would have complex structures: The superlattice of each subregion would be designed for enhanced absorption of photons in a desired wavelength...

Products: Electronics & Computers
Fanless Single Board Computer ( ADLINK Technology)

The NuPRO-796 from ADLINK Technology (Irvine, CA) is a half-size board computer featuring an AMD GeodeTM GX 533 processor. Fanless, the device has a 1.1 W CPU power consumption, and includes...

Articles: Electronics & Computers
Beamforming System Eases Crowded Wireless Spectrum

Beamforming is critical to enable initiatives by the U.S. Federal Communications Commission (FCC) to increase spectrum capacity and provide additional cellular service and coverage through...

In the past, network-based applications were pretty simple. A networked server ran a monolithic application that users accessed via a basic GUI...

Briefs: Semiconductors & ICs
Imaging Spectrometer on a Chip

A proposed visible-light imaging spectrometer on a chip would be based on the concept of a heterostructure comprising multiple layers of silicon-based photodetectors interspersed with long-wavelength-pass...

Products: Electronics & Computers
PCI, PCI-X, and PMC Boards (VMETRO)

VMETRO (Houston, TX) has released the VirtexTM-5 LX FPGA-based PCI/PCI-X and PMC board-level products. Designed for high-performance general-logic applica- tions, the Virtex-5 is the second generation of Xilinx FPGA to use the ASMBLTM (Advanced Silicon Modular Block) column- based architecture that enables...

GE Fanuc Embedded Systems (Albuquerque, NM) offers the 3U VPX MAGIC1 Rugged Display Processor, an integrated sub- system consisting of the 2.0 GHz Intel Core Duo processor-based SBC340...

Products: Electronics & Computers
Power-Saving Embedded Board (VersaLogic)

VersaLogic Corp. (Eugene, OR) and General Software, Inc. introduced a power- saving feature on VersaLogic's PC/104-Plus platform, the Puma. The Suspend- to-RAM function (ACPI S3) of General Software's...

Products: Electronics & Computers
Integration and Communication Software (Mentor Graphics)

The Nucleus®I2C software from Mentor Graphics Corp. (Wilsonville, OR) is now available for developing appli cations needing access to on-board peripherals connect ed via the I2C bus. Demand is increasing for using the low-cost I2C bus to connect peripherals, such as liquid crystal...

National Instruments (Austin, TX) and QNX Software Systems (Ontario, Canada) have collaborated to extend the LabVIEW graphical dataflow environment to the QNX®Neutrino®...

Products: Electronics & Computers
MPEG Decoder (STMicroelectronics)

STMicroelectronics, Inc. (Lexington, MA) has released the STi5107, a new MPEG decoder for standard definition TV. It is designed to address the require- ments of the mainstream STB market, where it provides...

Products: Electronics & Computers
PCI Isolated Digital I/O Cards (ACCESS I/O Products)

ACCES I/O Products Inc. (San Diego, CA) released a line of low-cost PCI isolated digital I/O cards offering a range of 16, 32, or 48 individually optically isolated inputs or outputs...

Products: Electronics & Computers
ARM Computer with Onboard Communication (Micro/sys)

The SBC4670 ARM computer from Micro/sys (Montrose, CA) features onboard communication formats of Power Over Ethernet, Socket Model capable of GSM/GPRS, CDMA or Bluetooth, on-board GPS,...

Infineon Technologies (Milpitas, CA) has announced the availability of a new software suite version for management of computers using Trusted Platform Modules (TPM) in enterprise...

Products: Electronics & Computers
Real-Time Multitasking Operating System (CMX Systems)

CMX Systems (Jacksonville, FL) announced the availability of CMX-RTX™ and CMX-Tiny+™ RTOS for Luminary Micro's Stellaris (Austin, TX) microcontrollers based on the ARM® Cortex-M3 microcontroller core.

A new development tool from Quickfilter Technologies (Allen, TX) is designed to simplify the task of adding precision digital filtering to designs based on the Texas Instruments...

Products: Electronics & Computers
Mobile IGP Chipset (VIA Technologies)

The VIA VN896 digital media mobile IGP chipset from VIA Technologies, Inc. (Fremont, CA) has been certified Vista Basicready by Microsoft® and is designed to provide users with visual clarity for...

Products: Electronics & Computers
Software for Safety-Critical Systems (Aonix®)

Release v8.3 of ObjectAda Real-Time RAVEN environment for PowerPC targets from Aonix® (San Diego, CA) provides RAVEN developers with a choice between the traditional Aonix IDE for development and the AonixADT™ Eclipse IDE. AonixADT incorporates Ada-project awareness, an Ada-language...

Briefs: Software
AIRSAR Web-Based Data Processing

The AIRSAR automated, Web-based data processing and distribution system is an integrated, end-to-end synthetic aperture radar (SAR) processing system. Designed to function under limited resources and rigorous demands, AIRSAR eliminates operational errors and provides for paperless archiving. Also, it provides a...

Renesas Technology America, Inc. (San Jose, CA) offers the E8a emulator, an onchip debugging emulator for developing embedded systems that use Renesas microcontrollers. It allows...

Briefs: Software
Translator for Optimizing Fluid-Handling Components

A software interface has been devised to facilitate optimization of the shapes of valves, elbows, fittings, and other components used to handle fluids under extreme conditions. This software interface translates data files generated by PLOT3D (a NASA grid-based plotting-and- data-display...

The Micromechanics Analysis Code with Generalized Method of Cells (MAC/GMC) is core technology in a software suite called ImMAC, developed at NASA's John Glenn Research...

Briefs: Software
Pattern Matcher for Trees Constructed From Lists

A software library has been developed that takes a highlevel description of a pattern to be satisfied and applies it to a target. If the two match, it returns success; otherwise, it indicates a failure. The target is semantically a tree that is constructed from elements of terminal and...

Briefs: Software
Reducing a Knowledge-Base Search Space When Data Are Missing

This software addresses the problem of how to efficiently execute a knowledge base in the presence of missing data. Computationally, this is an exponentially expensive operation that without heuristics generates a search space of 1 + 2n possible scenarios, where n is the...

Briefs: Software
State-Chart Autocoder

A computer program translates Unified Modeling Language (UML) representations of state charts into source code in the C, C++, and Python computing languages. ("State charts" signifies graphical descriptions of states and state transitions of a spacecraft or other complex system.) The UML representations constituting the...

Briefs: Software
Pointing History Engine for the Spitzer Space Telescope

The Pointing History Engine (PHE) is a computer program that provides mathematical transformations needed to reconstruct, from downlinked telemetry data, the attitude of the Spitzer Space Telescope (formerly known as the Space Infrared Telescope Facility) as a function of time. The PHE also...

Briefs: Mechanical & Fluid Systems
Low-Friction, High-Stiffness Joint for Uniaxial Load Cell

A universal-joint assembly has been devised for transferring axial tension or compression to a load cell. To maximize measurement accuracy, the assembly is required to minimize any moments and non-axial forces on the load cell and to exhibit little or no hysteresis. The requirement to...

A prototype system for docking a miniature spacecraft with a larger spacecraft has been developed by engineers at the Johnson Space Center. Engineers working on Mini AERCam, a...

Briefs: Software
Ground-Based Correction of Remote-Sensing Spectral Imagery

Software has been developed for an improved method of correcting for the atmospheric optical effects (primarily, effects of aerosols and water vapor) in spectral images of the surface of the Earth acquired by airborne and spaceborne remote-sensing instruments. In this method, the...

A proposed valve for controlling the rate of flow of a fluid would include an electric-motor-driven ball-screw mechanism for adjusting the seating element of the valve to any...

Briefs: Mechanical & Fluid Systems
Plumbing Fixture for a Microfluidic Cartridge

A fixture has been devised for making the plumbing connections between a microfluidic device in a replaceable cartridge and an external fluidic system. The fixture includes a 0.25-in. (6.35-mm) thick steel plate, to which the cartridge is fastened by two 10-32 thumb screws. The plate holds one...

Briefs: Mechanical & Fluid Systems
Camera Mount for a Head-Up Display

A mounting mechanism was designed and built to satisfy requirements specific to a developmental head-up display (HUD) to be used by pilots in a Boeing 757 airplane. This development was necessitated by the fact that although such mounting mechanisms were commercially available for other airplanes, there were...

Briefs: Manufacturing & Prototyping
Core-Cutoff Tool

A tool makes a cut perpendicular to the cylindrical axis of a core hole at a predetermined depth to free the core at that depth. The tool does not damage the surrounding material from which the core was cut, and it operates...

Briefs: Information Technology
Single-Point Access to Data Distributed on Many Processors

A description of the functions and data structures is defined that would be necessary to implement the Chapel concept of distributions, domains, allocation, access, and interfaces to the compiler for transformations from Chapel source to their run-time implementation for these concepts....

Briefs: Information Technology
Computing a Stability Spectrum by Use of the HHT

The Hilbert-Huang transform (HHT) is part of the mathematical basis of a method of calculating a stability spectrum. This method can be regarded as an extended and improved version of a prior...

Briefs: Information Technology
Estimating Dust and Water Ice Content of the Martian Atmosphere From THEMIS Data

Researchers at JPL and Arizona State University conducted a comparative study of three candidate algorithms for estimating components of the Martian atmosphere, using raw (uncalibrated) data collected by the Thermal Emission Imaging System (THEMIS). THEMIS is an...

Briefs: Physical Sciences
Theoretical Studies of Routes to Synthesis of Tetrahedral N4

A paper [Chem. Phys. Lett. 345, 295 (2001)] describes theoretical studies of excited electronic states of nitrogen molecules, with a view toward utilizing those states in synthesizing tetrahedral N4, or Td N4 — a metastable substance under consideration as a high-energy-density...

Briefs: Mechanical & Fluid Systems
Estimation Filter for Alignment of the Spitzer Space Telescope

A document presents a summary of an onboard estimation algorithm now being used to calibrate the alignment of the Spitzer Space Telescope (formerly known as the Space Infrared Telescope Facility). The algorithm, denoted the S2P calibration filter, recursively generates estimates of...

Briefs: Physical Sciences
Antenna for Measuring Electric Fields Within the Inner Heliosphere

A document discusses concepts for the design of an antenna to be deployed from a spacecraft for measuring the ambient electric field associated with plasma waves at a location within 3 solar radii from the solar photosphere. The antenna must be long enough to extend beyond the...

Briefs: Physical Sciences
Improved High-Voltage Gas Isolator for Ion Thruster

A report describes an improved highvoltage isolator for preventing electrical discharge along the flow path of a propellant gas being fed from a supply at a spacecraft chassis electrical potential to an ion thruster at a potential as high as multiple kilovolts. The isolator must survive launch...

Briefs: Electronics & Computers
Hybrid Mobile Communication Networks for Planetary Exploration

A paper discusses the continuing work of the Mobile Exploration System Project, which has been performing studies toward the design of hybrid communication networks for future exploratory missions to remote planets. A typical network could include stationary radio transceivers on a...

Blog
Clean Water Technology

University of Delaware researchers have developed an inexpensive, nonchlorine- based technology that can remove harmful microorganisms, including viruses, from drinking water. The patented technology incorporates highly reactive iron in the filtering process to deliver a chemical "knock-out punch" to a host of notorious...

Blog
TECH NEEDS OF THE WEEK

Small, universal mobile receivers are needed that are capable of receiving mobile satellite television signals. These receivers should be similar to those installed and used by satellite radio. The receivers will convert the signal from a satellite to a mounted or OEM satellite, thus delivering cable television to mobile...

Tech Needs
Connection of Two Rubber-Impregnated Cloth Surfaces

A way is sought to allow consumers to connect and disconnect two rubber-impregnated cloth surfaces in a consistent manner that is easy to assemble and disassemble. The cloth surfaces are in close proximity; the length of the connection will be about two meters. The connection must exhibit...

Blog
Engine For Satellites

Georgia Tech researchers have developed a new protoype engine that uses up to 40% less fuel by running on solar power while in space and by fine-tuning exhaust velocity.

The key to the engine improvements is the ability to optimize the use of available power. A traditional chemical rocket engine (attached to a...

Tech Needs
Technologies to Enhance Moisture, Vapor Transmission

A company is looking for environmentally inert methods to change the moisture management properties of conventional apparel textiles. The moisture management effect changes the way in which water vapor, moisture, and other liquids move through textiles, and can be activated via pH,...

Blog
Sound Wave Detector

Using optical fibers, researchers at the Georgia Institute of Technology have found a way to create a sensor that detects the direction from which a sound is coming under water. The new sensor could allow the U.S. Navy to develop compact arrays to detect quiet underwater targets, while also providing unambiguous directional...

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Technology Business Briefs

IM Mobile -- World's fastest, full-functionality, single-user Data Base Management System (DBMS), with unique built-in synchronization. It is about four times faster than Microsoft SQL Server 2005 Mobile on a PDA, making the user experience completely different.

Click here.

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Software Patch

A researcher at Technische Universiteit Eindhoven (Eindhoven, the Netherlands) has developed a software patch that can increase a car’s fuel effciency to a total fuel savings of 2.6%, without having to replace any of the parts of the car. Uploading a software patch to the car’s computer and adding one small cable...

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Technologies of the Week

Methods are available for the determination of building stability in the event of an earthquake. These methods involve the development of existing shaking table technology to allow more efficient characterization of structural properties.

View this technology here.

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Foundation Solidification

Methods are available for the determination of building stability in the event of an earthquake. These methods involve the development of existing shaking table technology to allow more efficient characterization of structural properties.

View this technology here.

An approach accompanied by a...

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Chemical Analysis Tool

Purdue University researchers have created a handheld sensing system its creators liken to Star Trek's "tricorder" used to analyze the chemical components of alien worlds. The new portable system is an ultrafast chemical analysis tool that could be used for detecting everything from cancer in the liver to explosives...

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NASA News

The Subregional Bone Assessment, a NASA study of the long-term effects of microgravity on the bones of International Space Station crewmembers, showed that the astronauts lost roughly 11% of their total hipbone mass over the course of their mission, more than an elderly woman in a year. While bone mass was regained after a year on...

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Technology Business Briefs

Printable Biosensor for On-Site, Online Measurements -- Bioactive Hybrid Materials for Photonic Microsystems It allows samples to be analyzed on site within a few minutes by integrating biotechnology, information technology, electronics, physics, and chemistry to realize small and cost-effective bio-photonic...

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Drug Tooth

Medical researches at Information Society Technologies (Brussels, Belgium) are developing the IntelliDrug controlled drug delivery system, where medication is stored and released from an implanted tooth. The fake tooth is a micro-system comprising of a medication reservoir and release mechanism, a built-in intelligence, micro-...

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Anti-Cancer Protein

Researchers at the Dana-Farber Cancer Institute (Boston, MA) have found that the p53 protein, known to guard against cancer-causing DNA damage, provides an entirely different level of cancer protection: by prompting the skin to tan in response to ultraviolet light from the sun, p53 deters the development of melanoma skin...

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Technologies of the Week

A disclosed technology allows a factory-installed seatbelt to be tightened from gentle to extreme. The seatbelt works like an aircraft seat belt: when tightened, it stays tight.View this technology here.

A technology has been made available improving how safely children are strapped in their safety seats. View...

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Fusion Research

University of Wisconsin-Madison researchers have come one step closer to making fusion energy possible by showing that their magnetic plasma chamber, called a stellarator, can overcome a major barrier in plasma research by retaining the needed temperature for fusion to be possible. Past stellarators lose too much energy to reach...

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Sea-Creature Sensors

Researchers at the Georgia Institute of Technology have created a new class of gas sensors using a chemical process that converts the silica (silicon dioxide) found in the shells of diatoms into the semiconductor material silicon.

Silicon is normally produced from silica at temperatures well above the silicon melting...

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NASA Spinoff

A technology for monitoring protein growth -- developed in part through NASA Small Business Innovation Research (SBIR) funding from Marshall Space Flight Center -- is noninvasive, nondestructive, rapid, and more cost effective than x-ray analysis. The partner for this SBIR, Photon-X, Inc. (Huntsville, AL), developed spatial-phase...

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Technology Business Briefs

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...

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Holographic Images

The response of tumors to anticancer drugs has been observed in real-time, 3D images using technology developed at Purdue University. The new digital holographic imaging system uses a laser and a charged couple device (CCD) to see inside tumor cells. The instrument also may have applications in drug development and medical...

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PCB Bacteria

Researchers at Rensselaer Polytechnic Institute have discovered a tiny anaerobic bacterium that could one day transform how polychlorinated biphenyls (PCBs) are removed from the environment. The organism could be the key to developing methods that help detoxify commercial PCB compounds on site -- without the need for...

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Technologies of the Week

A self-biased solar cell is available that provides improved conversion efficiency. Loss of carriers at the back surface of the battery is decreased, and open circuit voltage and quantum efficiency near a long wavelength are increased.

View this technology here.

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Robot Chair

Engineers at the Humanoid Robot Research Center (Taejon, S. Korea) have constructed the prototype HUBO-FX1, a human-riding “robotic chair” capable of carrying a person or a load of 100 kg. The user sits in a chair structure mounted on two robot legs, and controls ambulatory motion by way of a joystick. The HUBO-FX1 can...

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Diagnostic Hydrogel

Researchers at Massachusetts Institute of Technology (MIT) have created customizable hydrogel microparticles capable of identifying different biomolecules, disease monitoring, drug discovery, or genetic profiling. Each particle is equipped with a bar-coded ID and one or more probe regions that turn fluorescent when they...

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Pneumatic Step Motor

Medical scientists at Johns Hopkins University (Baltimore, MD) have constructed the "PneuStep," a prototype pneumatic step motor that is the first of its kind. The motor was developed as part of a project for a robot that could operate precisely within the closed bore of high-intensity MRI equipment. The pneumatic nature of...

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Fish Sensor

A research team led by Chang Liu at the University of Illinois at Urbana-Champaign (UIUC, Champaign, IL) has built a sensor for underwater vehicles equivalent to a sensory organ found on fish called the lateral line. In fish, the lateral line provides guidance for synchronized swimming, obstacle avoidance, and prey/predator detection...

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Current Attractions

Developed at NASA’s Marshall Space Flight Center (Huntsville, AL), a micro-commanding rotational-position-control system offers the advantage of less mechanical complexity, susceptibility to mechanical resonances, power demand, bulk, weight, and lower cost, relative to prior rotational-position-control systems based on...

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New on the Market

BI Technologies Electronic Components Division (Fullerton, CA) introduced the EN line of rotary mechanical encoders. The two-bit gray code incremental encoders are housed in 11, 12, and 16 mm packages, and feature detents and push-on switch options. For more information, visit: http://link.abpi.net/l.php?20070321A6

...

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Supply Chain Software

By 2020, NASA plans to establish a long-term human presence on the Moon. To make this possible, a reliable stream of consumables such as fuel, food and oxygen, spare parts, and exploration equipment would have to make its way from the Earth to the Moon as predictably as any Earth-based delivery system. To figure out how to...

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Tech Needs of the Week

A coating that is hard and has a high modulus of elasticity is needed for application to polyvinyl alcohol (PVA) optical films. Excellent coating adhesion and optical transparency are mandatory. The coating must withstand a force greater than 13,000 MpA, and offer a pencil hardness of B or over.To respond to this Tech Need...

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Chemical Weapons Sensor

Using lasers and tuning forks, researchers at Pacific Northwest National Laboratory have developed a chemical weapon agent sensing technique called Quartz Laser Photo-Acoustic Sensing (QPAS) that promises to meet or exceed current and emerging defense and homeland security chemical detection requirements.

The...

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Nano 50â„¢ Awards

Nanotech Briefs® magazine is accepting nominations for its third annual Nano 50 awards competition. The Nano 50 recognizes the top 50 technologies, innovators, and products with the greatest potential to advance the commercialization of nanotechnology.

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Saturn Movies

Astronomers have woven NASA Hubble Space Telescope images of Saturn, its rings, and several of its moons into three movies. Each movie highlights unique times in the planet's 30-year waltz around the Sun. Hubble snapped only about a dozen images during each of these three events, so astronomers created software to extend the photos...

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Air Car

Engineers at Moteur Developpment International (MDI, Luxembourg City, Luxembourg) have designed a prototype car that is powered by compressed air. The vehicle has a tubular chassis that is glued together, a fiberglass body, and uses wireless communication between its components. The engine weighs less than half that of a standard car....

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Technologies of the Week

A low-cost fingerprint detector, using off-the-shelf components integrated into a compact, portable unit, is available. The fingertip is moved relative to a skin-resistance-sensing array to produce a 'reference trajectory signal' that is stored in memory. The fingertip is moved again to produce a 'sample trajectory...

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Sugar Battery

Researchers at Saint Louis University (St. Louis, MO) have developed a biodegradable fuel cell battery that runs on virtually any sugar source, from soft drinks to tree sap, and has the potential to operate three to four times longer on a single charge than conventional lithium ion batteries. If the battery continues to show...

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NASA News

The "Research Opportunities in Aeronautics" announcement from NASA's Aeronautics Research Mission Directorate seeks research in several new topic areas for the Next Generation Air Transportation System Air Traffic Management Airspace Project and the Subsonic Fixed Wing Project.

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Tech Needs of the Week

Technical assistance is needed for the manufacture of serrated, scalloped (concave), and wavy (convex) bandknife blades. Of interest are 14 and 16 TPI (teeth per inch) by blanking for the serrated edge. Blanking has been achieved for the scalloped edge, but the resulting shape is not satisfactory. Blanking was not achieved...

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New Coating

Materials engineers at Purdue University have created a new type of coating that attracts water yet beads oils, promising potential applications such as "self-cleaning" eyeglasses and antifogging car windshields and ski goggles.

The coating consists of a single-molecule-thick layer of a material called polyethylene glycol,...

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White Papers

Thousands of engineers and scientists rely on National Instruments' LabVIEW for a variety of applications. This paper focuses on the capabilities that make LabVIEW the right tool for data and measurement analysis.

Products: Electronics & Computers
Transceivers for Multi-Gigabyte Systems (Altera)

Altera Corp. (San Jose, CA) offers the high- density Stratix II GX family designed to provide up to 20 low-power transceivers operating between 600 Mbps and 6.375 Gbps with 127 Gbps of...

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INSIDER: Electronics & Computers

Solid State Batteries With Ten Times More Current Density

Articles: Photonics/Optics

High-Power Fiber Lasers

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