November 2010

Products : Energy
Power Management ICs

Silicon Laboratories Inc. (Austin, TX) has introduced the Si348x family of power management ICs, enabling reduced system cost and improved efficiency in power over Ethernet (PoE) power sourcing equipment (PSE).


Anritsu Company (Richardson, TX) has introduced the MT9090A Network Master™ Micro-OTDR, a new tool for the installation and maintenance of today’s optical networks. The MT9090A Network Master features 5 cm resolution for accurate mapping of events. With less than 1 meter (3 feet) dead zones, the µOTDR can conduct fast and...

Dimensional Measurement System

Optical Gaging Products (OGP®) (Rochester, NY) has introduced the new SmartScope® Apex Micro precision dimensional measurement system. Apex Micro is a floor model fixed optics system featuring a state-of-the-art digital camera and digital zoom. It can be equipped with an OGP Feather Probe™ micro-probe with a...

Products : Photonics/Optics
Lighting-Class LEDs

Cree, Inc. (Durham, NC) has announced commercial availability of the new Cree XLamp® XM-L high-performance lighting-class LEDs, designed for very high-lumen applications such as high-bay or roadway lighting. Cool white (6500 K) XLamp XM-L LEDs deliver 1000 lumens with 100 lumens per watt efficacy at 3A. In a compact 5mm x...

Microscope Sample Stretching Stage

Asylum Research (Santa Barbara, CA) has announced the new NanoRack™ Sample Stretching Stage Accessory for its MFP-3D™ atomic force microscopes (AFMs). This high-strain, high-travel manual stretching stage provides two axis stress control of tensile loaded samples under different loads. Automatic load cell...

News : Green Design & Manufacturing
Biomass Alternative to Petroleum for Industrial Chemicals

University of Massachusetts Amherst chemical engineers have developed a way to produce high-volume chemical feedstocks including benzene, toluene, xylenes, and olefins from pyrolytic bio-oils - the cheapest liquid fuels available today derived from biomass.

Products : Energy
Updated Energy Efficiency Modeling Software Programs

The U.S. Department of Energy (DOE) has released updated versions of its EnergyPlus simulation software and OpenStudio Plug-in for Google SketchUp, which help engineers and architects design better functioning, more energy-efficient buildings.

Servo Drives

Advanced Motion Controls (Camarillo, CA) offers the AZ and AZB series servo drives for use under normal industrial conditions, as well as the AZX series for use in extended environments. The PCB-mount embedded, plug-in servo drive modules include models within the AZ and AZB series that operate over a 40-175 VDC range while...

Products : Communications
Ethernet Encoders

Pepperl+Fuchs (Twinsburg, OH) introduces the EVM58 Ethernet IP Encoders available in single or multi-turn configurations. The rotary encoders provide absolute machine position or velocity feedback to the system controller via an industry-standard Ethernet/IP interface. Ethernet IP Encoders are also compatible with a variety of...

Stainless Steel Bearings

Colson Caster Corp. (Jonesboro, AK) has announced the 4 Series stainless steel bearing that withstands corrosive exposures and is completely sealed to keep grease and other debris out for jam-free operations. The polished stainless steel bearings can service industrial applications and are maintenance-free with no...

Linear Actuators

Exlar (Chanhassen, MN) offers the EL100 explosion-proof linear actuators, rated for Class I, Div 1, Groups B, C, D and T3 hazardous environments. The EL Series linear actuators integrate a planetary roller screw mechanism with a high-torque servomotor in a single, self-contained package. The roller screw consists of multiple...

The Antimatter Mystery Continues

Matter and antimatter are almost identical, but their one crucial difference, an opposite charge, can cause mutual annihilation when the two are mixed.

So if there's plenty of matter here in the world, where is its counterpart? When the universe formed, matter and antimatter should have been produced in...

News : Energy
The November Issue of Lighting Technology Has Arrived

Check out the new issue of Lighting Technology for more new feature articles, videos, application stories, tech briefs, products, and more - all on the latest advances in LEDs and solid-state lighting.

Briefs : Energy
LED Lighting for Maintenance and Construction Vehicles

Strobe or rotating beacon-type emergency lighting is a requirement on all Minnesota Department of Transportation (Mn/DOT) maintenance and construction vehicles. There is an effort to replace the standard warning lighting with LED-based lights in order to reduce cost of replacement and...

Products : Energy
Thermoelectric Power Generator

Nextreme Thermal Solutions (Durham, NC) offers the eTEG™ HV37 thermoelectric power generator, the next entry in the high-voltage (HV) series of clean energy generators based on thin-film thermoelectrics. The eTEG HV37 converts waste heat into electrical energy for a variety of self-powered applications.

Not Just Playing Around

Like many other alluring things on this Earth, video games can toe the line between good and evil. They are notoriously addicting (sometimes to their users' detriment) — but that quality also allows them to function as a successful medium in rehabilitation and therapy applications.

“There are some people who...

News : Green Design & Manufacturing
Organic Solvent System May Improve Recycling of Catalysts

Noble metals such as platinum and palladium are becoming increasingly important because of growth in environmentally friendly applications such as fuel cells and pollution control catalysts. Because the world has limited quantities of these materials, manufacturers will have to rely on...

Cleared for Takeoff

You just know somebody’s going to make a movie about this.

On October 22, New Mexico’s governor, Bill Richardson, presided over the dedication of what could become the world’s first commercial spaceport. And what is a spaceport, you ask? Think of it as an airport for space travelers, and apparently they’re...

New Energy-Efficient Design Brings the Heat

To provide an alternative to energy-inefficient, fume-heavy fire cooking, Paul Montgomery, a graduate student at Pennsylvania State University, is helping to design a better, cleaner stove for people in developing countries. Central to the design is a heat-powered fan.

Here's how the process is...

News : Energy
Harvesting Solar Energy From Pavement to Power Streetlights, Heat Buildings

The heat radiating off roadways has long been a factor in explaining why city temperatures are often considerably warmer than nearby suburban or rural areas. University of Rhode Island researchers are examining methods of harvesting that solar energy to melt ice, power...

Web Dashboard

MathWorks (Natick, MA) offers enhancements to its Polyspace embedded code verification products, which prove the absence of certain run-time errors in source code. The new Polyspace metrics web dashboard, automated scheduling of verification jobs, e-mail notification, and increased code metric support allow engineers to choose and...

On-board Test Control

JTAG Technologies (Eindhoven, The Netherlands) offers a new support package for board-level and system designers looking to implement a convenient BIT (Built-In Test) access for boundary-scan testing and on-board device (re)programming. In conjunction with FTDI Ltd (Glasgow, UK), JTAG Technologies offers a support option...

Graphical Integrated Development Environment

AdaCore (Paris, France) has released GNAT Programming Studio (GPS) 5.0. This version of AdaCore‚'s graphical Integrated Development Environment (IDE) offers enhanced support for C and C++, more powerful source editing, simpler use, and integration of GNATstack (a static analysis tool that...

Thermal Design 3D CFD Software

Mentor Graphics Corporation (Wilsonville, OR) offers the next generation of its FloTHERM® 3D computational fluid dynamics (CFD) software for electronics cooling applications. FloTHERM allows engineers to implement virtual prototypes to simulate airflow, temperature, and heat transfer in electronic systems. The...

Products : Green Design & Manufacturing
Energy-Recovery Circuit

STMicroelectronics (Geneva, Switzerland) has released a high-efficiency circuit and optimized power components that will produce cost savings and are ideally suited for boost or buck converters - power devices usually used in solar inverters - or SMPS (Switched-Mode Power Supplies) for computers and telecom equipment.

Question of the Week
Should toys be kept out of a Happy Meal?

This week's Question of the Week concerns a new law in San Francisco, taking effect on Dec. 1 that bans restaurant toy giveaways unless the meals meet certain healthy standards for calories, sodium, and fat. Supporters say the move will offer better nutrition standards for children, while opponents say...

News : Energy
Electronic Monitoring For Coastal Waters

With a National Science Foundation (NSF) grant, researchers from North Carolina State University are developing a cost-effective electronic monitoring system that will advance understanding of critical coastal ecosystems by allowing users to track water-quality data from these waters in real time.

Finally! My invisible cardigan is ready!

Designing a material to cloak objects from visible light has always been a challenge -- Trust me, I've tried it many times during my childhood.

Published today, the New Journal of Physics (co-owned by the Institute of Physics and German Physical Society) details how Meta-flex, a new material...

Products : Energy
RF Energy Harvesting Kit

Microchip Technology Inc. (Chandler, AZ) and Powercast Corporation (Pittsburgh, PA) introduce the Lifetime Power® Energy Harvesting Development Kit featuring PIC® microcontrollers with eXtreme Low Power (XLP) Technology. The kit makes it easy to develop smart-energy, wireless-sensor applications that are powered by...

R2's Excellent Adventure

When the Space Shuttle Discovery launches tomorrow, it will carry six human -- and one non-human -- crewmembers to the International Space Station. The non-human is Robonaut 2 (R2), which is set to become the first humanoid robot in space. R2 will be unpacked several months after it arrives, and tested on the station. He...

Question of the Week
Should Congress pass the Right to Repair Act?

This week's Question of the Week, a suggestion from INSIDER reader Glenn Barkley, concerns the Right to Repair Act, a bill that would require auto manufacturers to sell to non-dealer repair shops the complete repair information and diagnostic tools, currently only provided to dealer service centers....

Articles : Electronics & Computers
Using Parallel Processing on GPUs to Accelerate Finite-Difference Time-Domain Algorithms for Electromagnetic and Seismic Applications

Many scientific, technical and engineering applications in finance, medical imaging, modeling, simulation, and image processing can benefit greatly from the floating point acceleration offered by modern general...

Articles : Electronics & Computers
Using Multiprocessing in Industrial Automation Systems

Automated industrial control systems are an integral part of today’s manufacturing facilities. As these systems’ capabilities advance, the engineer shifts from someone who oversees processes to one who manages the data produced and functions performed by these systems to ensure product...

Articles : Electronics & Computers
Using FPGAs for Automated Design Validation

In the design process, after the first prototype returns from fabrication, engineers often use traditional test equipment to make low-level measurements such as digital rise times, voltage thresholds, and leakage currents, and analog harmonic and spurious distortion, noise, and more. Once these...

Application Briefs : Electronics & Computers
Implementing Rack-Level I/O Consolidation

The desire to consolidate datacenter I/O has existed for several decades. It has been driven by I/O hardware providers who didn’t want to develop multiple versions of the same I/O card for different computer busses, and by end-users who did not want to stock multiple cards, as well as manage different...

News : Green Design & Manufacturing
Nanostructuring Technology Creates Efficient, Ultra-Small Displays

University of Michigan scientists have created pixels that will enable LED-projected and -wearable displays to be more energy efficient with more light manipulation possible - all on a display that may eventually be as small as a postage stamp.

Briefs : Physical Sciences
Portable Handheld Optical Window Inspection Device

The Portable Handheld Optical Window Inspection Device (PHOWID) is a measurement system for imaging small defects (scratches, pits, micrometeor impacts, and the like) in the field. Designed primarily for window inspection, PHOWID attaches to a smooth surface with suction cups, and raster scans a...

Briefs : Information Technology
Predicting Long-Range Traversability From Short-Range Stereo-Derived Geometry

Based only on its appearance in imagery, this program uses close-range 3D terrain analysis to produce training data sufficient to estimate the traversability of terrain beyond 3D sensing range. This approach is called learning from stereo (LFS). In effect, the software...

Briefs : Information Technology
Salience Assignment for Multiple-Instance Data and Its Application to Crop Yield Prediction

An algorithm was developed to generate crop yield predictions from orbital remote sensing observations, by analyzing thousands of pixels per county and the associated historical crop yield data for those counties. The algorithm determines which pixels...

Briefs : Information Technology
Browser-Based Application for Telemetry Monitoring of Robotic Assets

AEGSE Virtuoso Charting is an application that enables animated, real-time charting of telemetry streams of data from a rover. These automatically scaled charts are completely interactive, and allow users to choose the variables that they want to monitor. The charts can process...

Briefs : Physical Sciences
Speech Acquisition and Automatic Speech Recognition for Integrated Spacesuit Audio Systems

A voice-command human-machine interface system has been developed for spacesuit extravehicular activity (EVA) missions. A multichannel acoustic signal processing method has been created for distant speech acquisition in noisy and reverberant environments....

Briefs : Electronics & Computers
Methods of Using a Magnetic Field Response Sensor Within Closed, Electrically Conductive Containers

Magnetic field response sensors are a class of sensors that are powered via oscillating magnetic fields, and when electrically active, respond with their own magnetic fields with attributes dependent upon the magnitude of the physical quantity...

Briefs : Electronics & Computers
Miniature Low-Noise G-Band I-Q Receiver

Weather forecasting, hurricane tracking, and atmospheric science applications depend on humidity sounding of atmosphere. Current instruments provide these measurements from ground-based, airborne, and low Earth orbit (LEO) satellites by measuring radiometric temperature on the flanks of the 183-GHz water...

Briefs : Electronics & Computers
Differential Resonant Ring YIG Tuned Oscillator

A differential SiGe oscillator circuit uses a resonant ring-oscillator topology in order to electronically tune the oscillator over multi-octave bandwidths. The oscillator’s tuning is extremely linear, because the oscillator’s frequency depends on the magnetic tuning of a YIG sphere, whose...

Briefs : Manufacturing & Prototyping
Optimal Flow Control Design

In support of the Blended-Wing-Body aircraft concept, a new flow control hybrid vane/jet design has been developed for use in a boundary-layer-ingesting (BLI) offset inlet in transonic flows. This inlet flow control is designed to minimize the engine fan-face distortion levels and the first five Fourier harmonic half...

Briefs : Manufacturing & Prototyping
Microfabricated Segmented-Involute-Foil Regenerator for Stirling Engines

An involute-foil regenerator was designed, microfabricated, and tested in an oscillating-flow test rig. The concept consists of stacked involute-foil nickel disks (see figure) microfabricated via a lithographic process. Test results yielded a performance of about twice that...

Briefs : Manufacturing & Prototyping
Reducing Seal Adhesion in Low Impact Docking Systems

Silicone elastomers, used in seals for airlocks or other sealing surfaces in space, are sticky in their as-received condition. Because of the sticking, a greater force may be needed to separate the mating surfaces. If the adhesion is sufficiently high, a sudden unpredicted movement of the...

Briefs : Manufacturing & Prototyping
Corrosion-Resistant Container for Molten-Material Processing

In a carbothermal process, gaseous methane is passed over molten regolith, which is heated past its melting point to a temperature in excess of 1,625 °C. At this temperature, materials in contact with the molten regolith (or regolith simulant) corrode and lose their structural...

Briefs : Mechanical & Fluid Systems
Deployment of a Curved Truss

Structures capable of deployment into complex, three-dimensional trusses have well known space technology applications such as the support of spacecraft payloads, communications antennas, radar reflectors, and solar concentrators. Such deployable trusses could also be useful in terrestrial applications such as the...

Briefs : Mechanical & Fluid Systems
Reusable Hot-Wire Cable Cutter

During the early development stage of balloon deployment systems for missions, nichrome wire cable cutters were often used in place of pyro-actuated cutters. Typically, a nichrome wire is wrapped around a bundle of polymer cables with a low melting point and connected to a relay-actuated electric circuit. The heat...

Briefs : Mechanical & Fluid Systems
High-Volume Airborne Fluids Handling Technologies To Fight Wildfires

NASA recently partnered with the U.S. Forest Service (USFS) on a project to examine mission suitability and recommend policies and procedures for the use of very large aerial firefighting aircraft such as the Boeing 747 and DC-10 aerial retardant delivery aircraft. The aircraft...

Briefs : Materials
Fabrication of Lanthanum Telluride 14-1-11 Zintl High-Temperature Thermoelectric Couple

The development of more efficient thermoelectric couple technology capable of operating with high-grade heat sources up to 1,275 K is key to improving the performance of radioisotope theroelectric generators. Lanthanum telluride...

Briefs : Materials
Modeling of Alkane Oxidation Using Constituents and Species

It is currently not possible to perform simulations of turbulent reactive flows due in particular to complex chemistry, which may contain thousands of reactions and hundreds of species. This complex chemistry results in additional differential equations, making the numerical solution of...

Briefs : Materials
A Computer Model for Analyzing Volatile Removal Assembly

A computer model simulates reactional gas/liquid two-phase flow processes in porous media. A typical process is the oxygen/wastewater flow in the Volatile Removal Assembly (VRA) in the Closed Environment Life Support System (CELSS) installed in the International Space Station (ISS). The...

Briefs : Physical Sciences
Analysis of Nozzle Jet Plume Effects on Sonic Boom Signature

An axisymmetric full Navier-Stokes computational fluid dynamics (CFD) study was conducted to examine nozzle exhaust jet plume effects on the sonic boom signature of a supersonic aircraft. A simplified axisymmetric nozzle geometry, representative of the nozzle on the NASA Dryden NF-15B...

Briefs : Physical Sciences
Handheld White Light Interferometer for Measuring Defect Depth in Windows

Accurate quantification of defects (scratches and impacts) is vital to the certification of flight hardware and other critical components. The amount of damage to a particular component contributes to the performance, reliability, and safety of a system, which ultimately...

Briefs : Information Technology
Decomposition Algorithm for Global Reachability on a Time-Varying Graph

A decomposition algorithm has been developed for global reachability analysis on a space-time grid. By exploiting the upper block-triangular structure, the planning problem is decomposed into smaller subproblems, which is much more scalable than the original approach.

Briefs : Information Technology
Autonomous GN&C for Spacecraft Exploration of Comets and Asteroids

A spacecraft guidance, navigation, and control (GN&C) system is needed to enable a spacecraft to descend to a surface, take a sample using a touch-and-go (TAG) sampling approach, and then safely ascend. At the time of this reporting, a flyable GN&C system that can...

Briefs : Information Technology
Efficient Web Services Policy Combination

Large-scale Web security systems usually involve cooperation between domains with non-identical policies. The network management and Web communication software used by the different organizations presents a stumbling block. Many of the tools used by the various divisions do not have the ability to...

Briefs : Information Technology
Using CTX Image Features to Predict HiRISE-Equivalent Rock Density

Methods have been developed to quantitatively assess rock hazards at candidate landing sites with the aid of images from the HiRISE camera onboard NASA’s Mars Reconnaissance Orbiter. HiRISE is able to resolve rocks as small as 1-m in diameter. Some sites of interest do not have...

Briefs : Information Technology
Inversion Method for Early Detection of ARES-1 Case Breach Failure

A document describes research into the problem of detecting a case breach formation at an early stage of a rocket flight. An inversion algorithm for case breach allocation is proposed and analyzed. It is shown how the case breach can be allocated at an early stage of its...

Briefs : Mechanical & Fluid Systems
Use of ILTV Control Laws for LaNCETS Flight Research

A report discusses the Lift and Nozzle Change Effects on Tail Shock (LaNCETS) test to investigate the effects of lift distribution and nozzle-area ratio changes on tail shock strength of an F-15 aircraft. Specific research objectives are to obtain in-flight shock strength for multiple...

Briefs : Information Technology
Evaluating Descent and Ascent Trajectories Near Non-Spherical Bodies

Spacecraft landing on small bodies pass through regions where conventional gravitation formulations using exterior spherical harmonics are inaccurate. An investigation shows that a formulation using interior solid spherical harmonics might be satisfactory. Interior spherical...

Briefs : Manufacturing & Prototyping
Process To Produce Iron Nanoparticle Lunar Dust Simulant Composite

A document discusses a method for producing nanophase iron lunar dust composite simulant by heating a mixture of carbon black and current lunar simulant types (mixed oxide including iron oxide) at a high temperature to reduce ionic iron into elemental iron. The product is a...

SolidWorks® 2011 3D Design Software

Dassault Systèmes SolidWorks Corp., Concord, MA, has introduced SolidWorks® 2011 3D design software that includes hundreds of improvements in design, simulation, and collaboration. New drawing detailing functions eliminate manual dimensioning, enabling users to automatically align, stagger, or center...

Products : Electronics & Computers
12V Front-End Distributed Power Supply

Emerson Network Power (Carlsbad, CA) has introduced the DS2900, a high-wattage 12V front-end distributed power supply. The Emerson DS2900 is rated for up to 2900W of adjustable output power at 240A. In addition to 12 VDC output, it offers 3.3 VDC auxiliary output for powering standby circuitry, and an...

Products : Electronics & Computers
Replacement End-Of-Life Semiconductors

Rochester Electronics (Newburyport, MA) provides authorized reverse engineering services to recreate, manufacture and distribute pin-for-pin replacement parts with matched cycle for cycle timing for aftermarket semiconductor devices. Through its unique Rochester Semiconductor Replication Process™...

Products : Electronics & Computers
Universal Injection Transformer

OMICRON Lab’s (Houston, TX) new universal injection transformer, B-WIT 100, was developed for the stability analysis of switched mode power supplies and control loops of any kind. Due to its special design, the B-WIT 100 combines a very wide frequency range (1Hz - 10 MHz) with a 600V CAT II compliant output.

Products : Electronics & Computers
PCB Design-Tool

Sunstone Circuits (Mulino, OR), the printed circuit board (PCB) prototype solutions provider, is launching the newest version of their design software, PCB123® v4. This free-to-use, no license required design-tool has an intuitive CAD interface that lets you create new PCB designs quickly, offering freedom and flexibility in...

Products : Electronics & Computers
UPS With Long-Life Batteries

Falcon Electric, Inc. (Irwindale, CA) has introduced a long-life battery in its SSG Series™ Industrial-Grade Uninterruptible Power Systems (UPS) Plus product line. The units are available in models from 1.5 to 3kVA and in both 120 VAC and 230 VAC versions, and are capable of withstanding elevated temperatures of up...

Products : Electronics & Computers
DC Power Converter Module

Lineage Power Corporation (Plano, TX), a Gores Group company, has expanded its Picot LynxTM DC-DC converter family with a new 2-amp model that is an energy-efficient, non-isolated, point-of-load (POL) converter. The 2A PicoTLynx boasts an efficiency of 93.1 percent at 5 Volt (V) out. This POL converter is capable of...

Briefs : Photonics/Optics
Optical Sidebands Multiplier

Optical sidebands have been generated with relative frequency tens to hundreds of GHz by using optical sidebands that are generated in a cascade process in high-quality optical resonators with Kerr nonlinearity, such as whispering gallery mode (WGM) resonators. For this purpose, the WGM resonator needs to be...

Briefs : Physical Sciences
Maximum Likelihood Time-of-Arrival Estimation of Optical Pulses via Photon-Counting Photodetectors

Many optical imaging, ranging, and communications systems rely on the estimation of the arrival time of an optical pulse. Recently, such systems have been increasingly employing photon-counting photodetector technology, which changes the statistics...

Briefs : Photonics/Optics
Single Spatial-Mode Room-Temperature-Operated 3.0 to 3.4 μm Diode Lasers

Compact, highly efficient, 3.0 to 3.4 μm light emitters are in demand for spectroscopic analysis and identification of chemical substances (including methane and formaldehyde), infrared countermeasures technologies, and development of advanced infrared scene projectors....

Briefs : Photonics/Optics
Portable Dew Point Mass Spectrometry System for Real-Time Gas and Moisture Analysis

A portable instrument incorporates both mass spectrometry and dew point measurement to provide real-time, quantitative gas measurements of helium, nitrogen, oxygen, argon, and carbon dioxide, along with real-time, quantitative moisture analysis.

Briefs : Photonics/Optics
Self-Nulling Beam Combiner Using No External Phase Inverter

A self-nulling beam combiner is proposed that completely eliminates the phase inversion subsystem from the nulling interferometer, and instead uses the intrinsic phase shifts in the beam splitters. Simplifying the flight instrument in this way will be a valuable enhancement of mission...

Application Briefs : Sensors/Data Acquisition
Displacement Sensors to Monitor Valve Health and Prevent Rocket Engine Test Failures
Eddy-current displacement sensors
Lion Precision
St. Paul, MN

Stennis Space Center, NASA’s Mississippi-based headquarters for testing space vehicles’ rocket propulsion systems, will work in...

Application Briefs : Information Technology
NASA Satellite System Ground Segment to Receive Update
Ground system telecommunications architecture
General Dynamics C4 Systems
Falls Church, VA

As part of its seven-year contract with NASA Goddard Space Flight Center in Maryland, General Dynamics C4 Systems will focus on making improvements...

Eye on Innovation
Back to Edison, Back to Innovation

Somewhere during the last 100 years or so, we have lost something critical — something that funded and inspired the inventions that propelled us into modernism and delivered luxuries we now take for granted. Somehow we lost the urge to innovate. I am not sure if it was an individual dimming of passion or the...

NASA Tech Needs
Thermal and Mechanical Stability Challenges for the LISA Mission

LISA (Laser Interferometer Space Antenna) is one of the most challenging missions to be undertaken by NASA and the European Space Agency (ESA). This mission will provide, among other data products, direct proof of the existence of Gravitational Waves. The LISA instrument measures...

NASA Tech Needs
Sanitizing and Disinfection Methods Without UV, Chemicals, or Liquid

A company seeks a way to disinfect and sanitize hands and surfaces that does not depend on chemicals for bacteria kill, does not involve applying liquid, and does not use UV light. The method may be active or passive and must kill or remove microbes from a surface (hands or...

NASA Tech Needs
High-Barrier Flexible Food Packaging for Long-Duration Storage

A company seeks a flexible, non-foil, food-grade packaging that offers high oxygen and moisture barriers. The packaging must withstand high-temperature processing, high-pressure processing, or microwave processing. It should be lightweight, and able to protect food for up to five...

Techs for License
Volume-Changing Primary Glass Material

This technology produces a silica glass material with a promising negative refractive index. The material changes volume via irradiation under UV light, and results in a refractive index capability of 10-2. This makes it applicable to a wide range of fields, including holograms, optical memory,...

Techs for License
Innovative Aluminum Flat Solar Collector

The most important feature of this solar collector is the technical solution where the heat-absorbing surface is the same as the heat-transferring surface, which results in the highest heat performance and efficiency. There is no mediatory unit between the heat-transferring surface of the absorber and the...

Articles : Software
Industry Update: Analysis & Simulation Software

In our annual poll of executives at leading analysis and simulation software companies, we asked about the economic situation’s effect on the market, the pros and cons of virtual prototyping, and how software vendors are helping customers do more with less. Here’s what they had to say about...

Who's Who
Terry Hill, Engineering Project Manager, Constellation Spacesuit System, Johnson Space Center, Houston, TX

While pursuing a master’s degree in aerospace guidance, navigation, and control theory at UT Austin, Terry Hill got an opportunity to work at NASA JSC as a primary investigator on a project his educational advisor was conducting. This led...

Terry Hill, Engineering Project Manager, Constellation Spacesuit System, Johnson Space Center, Houston, TX

While pursuing a master’s degree in aerospace guidance, navigation, and control theory at UT Austin, Terry Hill got an opportunity to work at NASA JSC as a primary investigator on a project his educational advisor was conducting....

Articles : Manufacturing & Prototyping
2010 Create the Future Design Contest

The 2010 Create the Future Design Contest, sponsored by COMSOL, Inc., PTC, and Tech Briefs Media Group (publishers of NASA Tech Briefs), recognized innovation in product design in six categories: Consumer Products, Machinery & Equipment, Medical, Safety & Security, Sustainable Technologies, and...

Articles : Manufacturing & Prototyping
2010 Create the Future Design Contest Grand Prize Winner
Salim Nasser
Merritt Island, FL

There are approximately 1.8 million manual wheelchair users in the United States, and that number is expected to grow at a rate of 10% annually. Seventy-five percent of wheelchair users rely on manual wheelchairs. Prolonged manual wheelchair...

Articles : Manufacturing & Prototyping
2010 Create the Future Design Contest Consumer Products Category Winner

BreezeRite Air Filtration Module

Rob Luchsinger
Pipe Creek, TX

BreezeRite, an indoor air modular filtration system, attaches to new or existing ceiling fans, preventing dust buildup on the top and forward edge of fan blades and removing airborne...

Articles : Mechanical & Fluid Systems
2010 Create the Future Design Contest Machinery and Equipment Category Winner

(Winner of an HP Workstation)

High-Flow Lift Pump

Eric Foy

Central Point, OR

Apump is often needed, particularly in the act of firefighting, to raise water to fill a header tank or mobile water tender. The High-Flow Lift...

Articles : Medical
2010 Create the Future Design Contest Medical Category Winner

(Winner of an HP Workstation)

IDEA Enhanced Pulse Oximetry

Rodrigo Teixeira, Alton Reich, and Stephen Malin

Huntsville, AL

Stroke volume, or how much volume of blood the heart pumps with each beat, demonstrates the organ’s efficiency...

Articles : Manufacturing & Prototyping
2010 Create the Future Design Contest Safety and Security Category Winner

(Winner of an HP Workstation)

Digital Window Distributed Imaging Camera

Ellen Cargill, Peter Jones, and Dennis Purcell

Boston, MA

Scallop Imaging’s seven-megapixel Digital Window D7-180 video surveillance camera streams and...

Articles : Transportation
2010 Create the Future Design Contest Transportation Category Winner

(Winner of an HP Workstation)

Regenerative Braking Bike Front Wheel

David Swain, Frank Maurer, Jason Moore, and Albert Shih

Ann Arbor, MI

With the push of a button and without any pedalling or external energy, a regenerative front...

Articles : Green Design & Manufacturing
2010 Create the Future Design Contest Sustainable Technologies Category Winner

(Winner of an HP Workstation)

Sustainable, Durable Bridges of the Future

Ibrahim Al-Khattat

Talacre, Wales, United Kingdom

Alight, pre-stressed, segmented-arch (LPSA) bridge-building system uses a kit of compact parts...

Articles : Manufacturing & Prototyping
2010 Create the Future Design Contest Meet the Judges

COMSOL, PTC, and Tech Briefs Media Group thank the following judges for their participation.

Articles : Manufacturing & Prototyping
2010 Create the Future Design Contest Contest Sponsors
News : Lighting
New Facility Aims to Make LED Lighting More Natural

A new lab at the National Institute of Standards and Technology (NIST) is dedicated to improving the quality of light that light-emitting diodes (LEDs) produce. NIST vision scientists Wendy Davis and Yoshi Ohno and a team of physicists created the NIST Spectrally Tunable Lighting Facility...

Articles : Lighting
Dimming LEDs, Without the Flicker

Light-emitting diode (LED) lighting is a mainstream technology now. LED flashlights, traffic signals, and vehicle lights are commonplace, and the push is on to replace incandescent and fluorescent lamps in mains-powered residential, commercial, and industrial applications. The energy savings to be earned by...

Articles : Lighting
Enhanced Protection for LEDs: Parylene Offers a Clear View into the Future

All LEDs, OLEDs, and AMOLEDs (light-emitting diodes, organic LEDs, and active-matrix OLED, respectively) are miniaturized solid-state technologies. Some are moving into the realm of quantum dot nanotechnology. Because they are all highly miniaturized electronic...

Articles : Lighting
Optical Feasibility of a True LED MR16 Lamp

Nowhere is the motivation to convert all light sources to light-emitting diodes (LEDs) more evident than at the local home improvement store. Even a cursory glance at the LED bulbs on the MR16 shelf is likely to overwhelm consumers and lighting professionals alike. MR16 is a standard format for halogen...

Briefs : Lighting
LED Lighting for Maintenance and Construction Vehicles

Strobe or rotating beacon-type emergency lighting is a requirement on all Minnesota Department of Transportation (Mn/DOT) maintenance and construction vehicles. There is an effort to replace the standard warning lighting with light-emitting diode (LED)-based lights in order to reduce cost of...

This report describes the process and results of a demonstration of solid-state lighting (SSL) technology combined with occupancy sensors in a set of upright grocery store freezer cases....

Application Briefs : Lighting
LEDs Illuminate Major Bridge in China
Philips Lumileds, San Jose, CA
National Semiconductor, Santa Clara, CA

Abridge lighting project was recently completed in the Chinese city of Harbin, utilizing 1,288 linear floodlights containing 12,000 LUXEON Rebel Green LEDs from Philips Lumileds. The new lighting spanning the 1565-meter...

Application Briefs : Lighting
All Aboard: Making (Light) Waves
Ocean LED, Nuneaton, UK
Proto Labs, Maple Plain, MN

Richard Sant, Chief Designer at OceanLED, sought a fast and flexible way to make low-cost, high-quality components for the firm’s latest LED lights. He found the answer with Protomold®, the rapid injection molding service from Proto Labs®....

Techs for License : Lighting
LEDs Based on Lattice-Mismatched GaInP Alloys

Current white light generation techniques rely on color mixing from red, blue, and green light. While reasonable red and blue light-emitting diodes (LEDs) are available for this scheme, there currently exists a gap in the wavelength spectral window from roughly 530 nm to 570 nm — known as the...

Techs for License : Lighting
Phosphor Materials for UV-LED-Based Lighting Device

Scientists at Leiden University have invented novel phosphor materials based on rare earth elements, which have excellent absorption properties in the near-ultraviolet (UV) range and show strong blue and/or green emission with high quantum efficiency. This invention is particularly suitable for...

Products : Lighting
Online LED Design Tool

National Semiconductor (Santa Clara, CA) has introduced the WEBENCH® LED Architect, which enables novice and expert designers to perform real-time comparisons and optimize complex lighting systems for performance, size, and cost. To start a design, the designer enters desired light output (lumens) and adjusts...

Products : Lighting
DC LED Lighting Fixture

The CL Series LED lighting fixture from Selco Products Company (Reno, NV) is designed for 12V-24V DC systems in a variety of transportation and outdoor lighting applications. The fixtures feature a wide operating temperature range of ‒40ºC to +60ºC and waterproof housing. With a low profile of 0.5”, two mounting...

Products : Lighting
LED Power Supply

A new 70-watt LED power supply from Emerson Network Power (Columbus, OH) is in the company's LDS70 power supply series, and provides constant-current and constant-voltage modes of operation. The power supply operates from ‒40ºC to +60ºC, with a low-profile form-factor and IP67 ratings. Dimmable options are also offered. The...

Products : Lighting
Dichroic Color Changing Fixture

The Nemo is the latest in the SeaChanger line of dichroic color changers from Ocean Thin Films (Largo, FL) designed to deliver a new, energy-efficient class of high-intensity lighting. Nemo has a LIFI® plasma source that delivers 10,000 lumens out of the fixture while using only 320 watts of power. The...

Products : Lighting
LED Wallpack Luminaire

Dialight (Farmingdale, NJ) offers the DuroSite Series LED Wallpack Luminaire. With its low profile and compact design, the powder-coated aluminum wallpack luminaire is fully compliant with all standard ratings and certifications that make it highly suited for stairwells, walkways, building exteriors, subways, and other...

Products : Lighting
Polyurethane Casting Compound

Bayer MaterialScience (Leverkusen, Germany) has developed raw materials for highly transparent two-component polyurethane casting compounds that can be used to manufacture lighting strips and other lighting elements with LEDs. The LEDs are given effective and long-term protection against moisture, weathering, and...

Products : Lighting
LED-Based Backlighting

Ultra-thin light guides from Global Lighting Technologies (Brecksville, OH) utilize the company’s LED-based edge-lighting technology to provide backlighting for touch-enabled display graphics. GLT’s light guides provide bright, uniform light where needed for directional symbols, on/off buttons, company logos, and any...

Products : Lighting
LED Dot Matrix Driver

The AS1119 LED dot matrix driver from austriamicrosystems (Unterpremstaetten, Austria) drives 144 LEDs but requires only 9 mm² PCB space, reduces external component count, reduces connector pin count, and requires fewer PCB layers. The AS1119 is targeted for dot matrix displays in mobile phones and personal electronics. An...

Products : Lighting
LED Circuit Protection Device

Littelfuse, Inc. (Chicago, IL) has introduced the PLED18 Series circuit protection device that increases LED lighting string reliability. The device maintains LED string brightness while improving LED reliability for outdoor LED lighting and high-intensity LED applications (one-, two-, or three-watt high-brightness...


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Briefs: Manufacturing & Prototyping

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