November 2011

Articles: Electronics & Computers
Electronics Category Winner
iPecs Michael Leydet,
College Park Industries, Fraser, MI

The College Park Industries iPecs® (In telligent Prosthetic Endo-Skeletal Com ponent System) is a medical research device that will provide...

Articles: Manufacturing & Prototyping
Consumer Products Category Winner
UVA+B SunFriend Karin Edgett, Washington, DC, and Shahid
Aslam, Greenbelt, MD

About 90% of non-melanoma and 65% of melanoma skin cancers are associated with ultraviolet (UV) radiation from the...

Articles: Robotics, Automation & Control
Machinery & Equipment Category Winner
Hybrid Rotor Compressor for Natural Gas Extraction Jeremy Pitts and Pedro Santos, OsComp Systems, Boston, MA

Natural gas is a booming industry in the U.S. and represents a bridge energy solution to...

Articles: Medical
Medical Category Winner
XVIVO Organ Perfusion System Chris Jaynes, Tom Taccini, and Tim Klug,
XVIVO Perfusion,
Englewood, CO

In the United States, only 15% of available donor lungs are transplanted into critical recipients...

Articles: Manufacturing & Prototyping
Safety & Security Category Winner
AquaSonus Passive-Sonar Pool Alarm William C. Roberts, Bob Hoenig, and Paula Bailey,
AquaSonus.com, Merrimack, NH

Drowning is the second leading cause of death for children, and most drownings...

Articles: Transportation
Transportation Category Winner
Dynamic Aero-Shroud Oscillating Jet Rebecca Farr, Endwell Daso, Victor Pritchett, and Dr. Ten-See Wang, NASA Marshall Space Flight Center, Huntsville, AL

Applying supersonic counter-flowing cold gas jets...

Articles: Green Design & Manufacturing
Sustainable Technologies Category Winner
TO:CMA Spherical Generator Angel Francisco Martinez, Delia Beatriz Martinez, and Trupti
Bulbule, Cornell University, Ithaca, NY

The TO:CMA Spherical Generator creates copious amounts of...

Articles: Manufacturing & Prototyping
Create the Future Design Contest 2011

The 2011 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 seven categories: Electronics (new this year), Consumer Products, Machinery & Equipment, Medical, Safety &...

The results are described of the Rake Airflow Gage Experiment (RAGE), which was designed and fabricated to support the flight test of a new supersonic inlet design using...

Briefs: Software
Telemetry and Science Data Software System

The Telemetry and Science Data Software System (TSDSS) was designed to validate the operational health of a spacecraft, ease test verification, assist in debugging system anomalies, and provide trending data and advanced science analysis. In doing so, the system parses, processes, and organizes raw data...

Briefs: Electronics & Computers
Experiment in Onboard Synthetic Aperture Radar Data Processing

Single event upsets (SEUs) are a threat to any computing system running on hardware that has not been physically radiation hardened. In addition to mandating the use of performance- limited, hardened heritage equipment, prior techniques for dealing with the SEU problem often involved...

Briefs: Information Technology
CropEx Web-Based Agricultural Monitoring and Decision Support

CropEx is a Web-based agricultural Decision Support System (DSS) that monitors changes in crop health over time. It is designed to be used by a wide range of both public and private organizations, including individual producers and regional government offices with a vested interest in...

Briefs: Information Technology
High-Performance Data Analysis Tools for Sun-Earth Connection Missions

The data analysis tool of choice for many Sun-Earth Connection missions is the Interactive Data Language (IDL) by ITT VIS. The increasing amount of data produced by these missions and the increasing complexity of image processing algorithms requires access to higher computing...

Briefs: Manufacturing & Prototyping
Microfabrication of a High-Throughput Nanochannel Delivery/Filtration System

A microfabrication process is proposed to produce a nanopore membrane for continuous passive drug release to maintain constant drug concentrations in the patient’s blood throughout the delivery period. Based on silicon microfabrication technology, the dimensions of...

Briefs: Manufacturing & Prototyping
Monolithic Flexure Pre-Stressed Ultrasonic Horns

High-power ultrasonic actuators are generally assembled with a horn, backing, stress bolt, piezoelectric rings, and electrodes. The manufacturing process is complex, expensive, difficult, and time-consuming. The internal stress bolt needs to be insulated and presents a potential internal discharge...

Briefs: Manufacturing & Prototyping
Improved Design and Fabrication of Hydrated-Salt Pills

A high-performance design, and fabrication and growth processes to implement the design, have been devised for encapsulating a hydrated salt in a container that both protects the salt and provides thermal conductance between the salt and the environment surrounding the container. The unitary...

Briefs: Electronics & Computers
Wheel-Based Ice Sensors for Road Vehicles

Wheel-based sensors for detection of ice on roads and approximate measurement of the thickness of the ice are under development. These sensors could be used to alert drivers to hazardous local icing...

Briefs: Electronics & Computers
Broadband Via-Less Microwave Crossover Using Microstrip- CPW Transitions

The front-to-back interface between microstrip and CPW (coplanar waveguide) typically requires complex fabrication or has high radiation loss. The microwave crossover typically requires a complex fabrication step. The prior art in microstrip-CPW transition requires a...

Briefs: Electronics & Computers
Cryogenic Quenching Process for Electronic Part Screening

The use of electronic parts at cryogenic temperatures (

Briefs: Software
G-DYN Multibody Dynamics Engine

G-DYN is a multi-body dynamic simulation software engine that automatically assembles and integrates equations of motion for arbitrarily connected multibody dynamic systems.

Briefs: Software
Multibody Simulation Software Testbed for Small-Body Exploration and Sampling

G-TAG is a software tool for the multibody simulation of a spacecraft with a robotic arm and a sampling mechanism, which performs a touch-and-go (TAG) maneuver for sampling from the surface of a small celestial body. G-TAG utilizes G- DYN, a multi-body simulation...

Briefs: Software
Propulsive Reaction Control System Model

This software models a propulsive reaction control system (RCS) for guidance, navigation, and control simulation purposes. The model includes the drive electronics, the electromechanical valve dynamics, the combustion dynamics, and thrust. This innovation follows the Mars Science Laboratory entry reaction...

Briefs: Software
Licklider Transmission Protocol Implementation

This software is an implementation of the Licklider Transmission Protocol (LTP), a communications protocol intended to support the Bundle Protocol in Delay-Tolerant Network (DTN) operations. LTP is designed to provide retransmission- based reliability over links characterized by extremely long...

Briefs: Software
Core Recursive Hierarchical Image Segmentation

The Recursive Hierarchical Image Segmentation (RHSEG) software has been repackaged to provide a version of the RHSEG software that is not subject to patent restrictions and that can be released to the general public through NASA GSFC’s Open Source release process. Like the Core HSEG Software...

Briefs: Mechanical & Fluid Systems
Pressure Regulator With Internal Ejector Circulation Pump, Flow and Pressure Measurement Porting, and Fuel Cell System Integration Options

An advanced reactant pressure regulator with an internal ejector reactant circulation pump has been developed to support NASA’s future fuel cell power systems needs. These needs include reliable and safe...

Briefs: Mechanical & Fluid Systems
Two-Stage Centrifugal Fan

Fan designs are often constrained by envelope, rotational speed, weight, and power. Aerodynamic performance and motor electrical performance are heavily influenced by rotational speed. The fan used in this work is at a practical limit for rotational speed due to motor performance characteristics, and there is no more...

Briefs: Mechanical & Fluid Systems
Combined Structural and Trajectory Control of Variable-Geometry Planetary Entry Systems

Some of the key challenges of planetary entry are to dissipate the large kinetic energy of the entry vehicle and to land with precision. Past missions to Mars were based on unguided entry, where entry vehicles carried payloads of less than 0.6 T and landed...

Briefs: Materials
Temperature-Sensitive Coating Sensor Based on Hematite

A temperature-sensitive coating, based on hematite (iron III oxide), has been developed to measure surface temperature using spectral techniques. The hematite powder is added to a binder that allows the mixture to be painted on the surface of a test specimen. The coating dynamically changes...

Briefs: Materials
Detection of Carbon Monoxide Using Polymer-Carbon Composite Films

A carbon monoxide (CO) sensor was developed that can be incorporated into an existing sensing array architecture. The CO sensor is a low-power chemiresistor that operates at room temperature, and the sensor fabrication techniques are compatible with ceramic substrates.

Briefs: Materials
Substituted Quaternary Ammonium Salts Improve Low-Temperature Performance of Double-Layer Capacitors

Double-layer capacitors are unique energy storage devices, capable of supporting large current pulses as well as a very high number of charging and discharging cycles. The performance of double-layer capacitors is highly dependent on the nature...

Economics is a key factor for application of organic light emitting diodes (OLED) in general lighting relative to OLED flat panel displays that can...

Briefs: Materials
Standardization of a Volumetric Displacement Measurement for Two-Body Abrasion Scratch Test Data Analysis

A limitation has been identified in the existing test standards used for making controlled, two-body abrasion scratch measurements based solely on the width of the resultant score on the surface of the material. A new, more robust method is...

Briefs: Materials
Sustainably Sourced, Thermally Resistant, Radiation Hard Biopolymer

This material represents a breakthrough in the production, manufacturing, and application of thermal protection system (TPS) materials and radiation shielding, as this represents the first effort to develop a non-metallic, nonceramic, biomaterial-based, sustainable TPS with the...

Future astrophysics and planetary experiments are expected to require large focal plane arrays with thousands of detectors. Feedhorns have excellent performance, but their mass, size,...

Briefs: Physical Sciences
Validating Phasing and Geometry of Large Focal Plane Arrays

The Kepler Mission is designed to survey our region of the Milky Way galaxy to discover hundreds of Earth-sized and smaller planets in or near the habitable zone. The Kepler photometer is an array of 42 CCDs (charge-coupled devices) in the focal plane of a 95-cm Schmidt camera onboard...

Briefs: Physical Sciences
180-GHz Interferometric Imager

A 180-GHz interferometric imager uses compact receiver modules, combined high- and low-gain antennas, and ASIC (application specific integrated circuit) correlator technology, enabling continuous, all-weather observations of water vapor with 25-km resolution and 0.3-K noise in 15 minutes of observation for...

Briefs: Physical Sciences
Maturation of Structural Health Management Systems for Solid Rocket Motors

Concepts of an autonomous and automated space-compliant diagnostic system were developed for conditioned- based maintenance (CBM) of rocket motors for space exploration vehicles. The diagnostic system will provide real-time information on the integrity of critical...

Briefs: Information Technology
Achieving Exact and Constant Turnaround Ratio in a DDS-Based Coherent Transponder

A report describes a non-standard direct digital synthesizer (DDS) implementation that can be used as part of a coherent transponder so as to allow any rational turnaround ratio to be exactly achieved and maintained while the received frequency varies. (A coherent...

Briefs: Information Technology
Surface Modeling to Support Small-Body Spacecraft Exploration and Proximity Operations

In order to simulate physically plausible surfaces that represent geologically evolved surfaces, demonstrating demanding surface-relative guidance navigation and control (GN&C) actions, such surfaces must be made to mimic the geological processes themselves. A...

One of the advantages resulting from a slow economy is the increased scrutiny placed on reducing expenses and improving efficiency. This has been the case during the past few years in the...

Articles: Sensors/Data Acquisition
Grand Prize Winner

Monika Weber, Christopher Yerino, Hazael Montanaro, Kane Siu Lung Lo, and Mark Reed, Yale University, New Haven, CT

Every year, food-borne bacteria cause thousands of infections in humans and animals. Outbreaks of...

Application Briefs: Sensors/Data Acquisition
Sensors Measure Vibroacoustic Shock During Launches
G-Link®, SG-Link®, WSDA®, and SensorCloud® wireless sensor components
MicroStrain
Williston, VT
802-862-6629
www.microstrain.com

MicroStrain provided NASA...

Application Briefs: Sensors/Data Acquisition
Data Acquisition System Monitors Lightning Strikes
Genesis HighSpeed data acquisition system and Perception software
HBM
Marlboro, MA
508-624-4500
www.hbm.com

NASA Kennedy Space Center, based in Cape Canaveral, FL,...

Articles: Test & Measurement
John C. Stennis Space Center

In the 1960s, NASA’s John C. Stennis Space Center, all but hidden away in the piney woods of south Mississippi, built a reputation of excellence in testing the massive first and second stages of the Saturn...

The single-photon counting imaging sensor is typically an array of silicon Geiger-mode avalanche photodiodes that are monolithically integrated with CMOS (complementary metal oxide...

Briefs: Photonics/Optics
Qualification of Fiber Optic Cables for Martian Extreme Temperature Environments

Means have been developed for enabling fiber optic cables of the Laser Induced Breakdown Spectrometer instrument to survive ground operations plus the nominal 670 Martian conditions that include Martian summer and winter seasons. The purpose of this development was...

Briefs: Physical Sciences
Transverse Pupil Shifts for Adaptive Optics Non-Common Path Calibration

A simple new way of obtaining absolute wavefront measurements with a laboratory Fizeau interferometer was recently devised. In that case, the observed wavefront map is the difference of two cavity surfaces, those of the mirror under test and of an unknown reference surface...

Briefs: Photonics/Optics
Solid-State Spectral Light Source System

A solid-state light source combines an array of light-emitting diodes (LEDs) with advanced electronic control and stabilization over both the spectrum and overall level of the light output. The use of LEDs provides efficient operation over a wide range of wavelengths and power levels, while electronic...

Everywhere we look we are bombarded with 3D. It’s in movies, in-home entertainment, digital camcorders, gaming systems, laptops, and even in our labs. What is it about 3D that is so...

Application Briefs: Photonics/Optics
Creating 3D Terrain Maps from 2D Data

Disaster relief workers, border patrol officers, wildfire fighters, and many others need up-to-date information about what they will see when they enter an area, not just sketchy topographic maps that...

Agilent Technologies (Santa Clara, CA) has introduced a compact tunable laser module for its 816x Series lightwave measurement platform. The Agilent 81960A module, which features a 200 nm/s...

Products: Photonics/Optics
High-Dynamic-Range Read Out Circuit

The NSC1101 from New Imaging Technologies (NIT) Corp. (Verrières le Buisson, France) is a high-dynamic-range read out circuit (ROIC) designed to interface with photodiode arrays. The NSC1101 has a VGA...

Products: Photonics/Optics
Test-and-Measurement Platform

New Ridge Technologies (Owings Mills, MD) has announced the expansion of its NRT-2500 product line to include the TruePhase IPLM Inline Polarimeter from OFS (Norcross, GA). The NRT-2500, a polarization control...

Products: Photonics/Optics
Green Laser Diode Modules

Power Technology (Little Rock, AR) offers a 515-nm, 20-mW green laser diode module. The laser modules have been created specifically to address the needs of high-end OEM applications requiring ultra-stable...

Products: Photonics/Optics
Linear-Array PMT Modules

Linear Array Photomultiplier tube (PMT) modules from Hamamatsu Corporation (Bridgewater, NJ) offer high cathode sensitivity, high gain, and high-speed response. The H11451 series features 8 channels in a linear...

Products: Photonics/Optics
Pentaprisms

REO (Boulder, CO) offers pentaprisms with coatings optimized for demanding laser applications, such as target designation and range finding. The pentaprisms feature dielectric antireflection and high-reflection coatings...

Products: Photonics/Optics
Femtosecond Laser

Based on diode-pumped disk laser technology, the femtosecond laser JenLas® D2.fs from JENOPTIK Laser Technologies Corp. (Brighton, MI) emits high pulse energies of 40 μJ at 100 kHz repetition rate, and can operate in...

Products: Photonics/Optics
Filter Modeling Tool

MyLight, an online filter modeling tool from Semrock (Rochester, NY), provides users with the ability to characterize optical filters under varying theoretical conditions in real time. The technology offers answers on...

Products: Photonics/Optics
Network Activation Kit

AFL (Spartanburg, SC) offers network activation kits designed to support installation and commissioning of optical equipment in telecom, broadband, and other single-mode optical fiber networks. All network activation...

Products: Photonics/Optics
Transmission Electron Microscope

A 200kV transmission electron microscope from JEOL (Peabody, MA) delivers nanoanalysis for process and quality control of mass-produced semiconductor and materials samples. The multi-function JEOL JEM-2800...

Techs for License
Magnetic Device Separates Hydrogen from Oxygen

High temperatures have been used to dissociate water, but in many cases, the oxygen and hydrogen recombine when temperatures drop. A new device magnetically separates hydrogen from oxygen at elevated temperatures. Steam enters a reaction chamber, heats to over 150 °C in a focused solar beam, and...

Techs for License
Piezo-Driven Pressure Controller Saves Heat

Using a piezo-actuated valve and an integral, closed-loop pressure control circuit, a modular controller maintains the pressure of non-corrosive to mildly corrosive gases. The Active Pressure Controller (APC) consumes minimal power (

Tech Needs
Pathogen Inactivation Technologies

Although there are highly sensitive methods for pathogen detection in donor blood, the risk of infection via transfusion remains. A customer seeks methods to inactivate all known and unknown blood-borne pathogens in blood products, especially where those technologies can be used for whole blood or red blood...

Tech Needs
Structural Detection of Welded Steel Regions

A non-destructive test mechanism is needed to detect fracture toughness, hardness, and microstructure properties of 1/8" steel weld zones. The device must measure the characteristics of flash upset welding of steel. In addition, the standalone technology should not function in a continuous, in-line...

NASA Ames Research Center is home to the world’s seventh most powerful supercomputer, Pleiades. Named after the star cluster, it represents NASA’s state-of-the-art technology for meeting...

Dassault Systemes SolidWorks Corp., Concord, MA, has introduced SolidWorks® 2012 3D design software that features improvements in assembly and drawing capabilities, built-in simulation, design costing,...

William Allen, senior engineer at the Jet Propulsion Laboratory, is the mechanical systems design lead on the Mars Science...

In our annual poll of executives in the Analysis & Simulation Software market, we asked our experts about growth in a struggling economy, how software is evolving, strides in...

Research News: Lighting
Transmitting Data With LEDs

Regular light-emitting diodes (LEDs) can be turned into an optical wireless local area network (WLAN) with only a few additional components, thanks to visible light communication (VLC).

Researchers from University of Michigan (U-M) have partnered with China's Shanghai Jiao Tong University (SJTU) to explore how high-efficiency smart facades can capture and store solar energy, and...

As light-emitting diodes (LEDs) find their way into more outdoor applications, they are at higher risk for electrostatic discharge (ESD) and other electrical transients. High-brightness (HB) LEDs...

As global energy demand rises, the significant energy-saving potential of light-emitting diode (LED) lighting remains a top consideration for...

Economics is a key factor for application of organic light-emitting diodes (OLEDs) in general lighting relative to OLED flat panel displays that can handle...

A new mobile lighting system features a fuel cell running on pure hydrogen, resulting in zero-emission electrical power. The fuel cell produces electricity for an advanced, power-saving...

Briefs: Lighting
High-Performance LED Comprised of Organic and Quantum Dot-Based Layers

New research paves the way to manufacturing efficient, stable, and low-cost quantum dot-based light-emitting diodes (LEDs), which is important for the widespread commercial use of these LEDs in large-area, full-color flat-panel displays or as solid-state lighting sources to...

Founded over 200 years ago along the Mississippi River in Missouri, the city of Cape Girardeau is now home to almost 38,000 residents. The Missouri Highway 74 corridor...

A build-out-of-the-box approach to turn, tail, and stop lighting applications on vehicles significantly reduces engineering and development costs. With recent improvements to Snap LED, an...

Techs for License: Lighting
High Extraction Efficiency GaN LED

Photonic crystals have received an increasing amount of interest for use as light extractors in light-emitting diodes (LEDs), but their implementation on the surface of LEDs has thus far produced little improvement in extraction efficiency.

Techs for License: Lighting
Relaxed SiGe Films By Surfactant Mediation

Relaxed silicon-germanium (SiGe) has become an important material in the fabrication of high-quality films for various applications. Strain-relaxed SiGe buffers have been produced by at least three known methods. However, these techniques present several disadvantages, such as long growth times, thick...

Products: Lighting
LED Power Supplies

ERG Lighting (Endicott, NY) has introduced eDriver LED power supplies, available in a broad range of constant voltage and constant current drivers. The driver modules are 90% efficient and fully isolated, with universal...

Products: Lighting
Six-Channel LED Driver IC

The HV9957 from Supertex (Sunnyvale, CA) combines a switch-mode boost converter and six low-dropout, linear current regulators to deliver high efficiency and precise current control in an LED driver. The IC can...

Products: Lighting
Poke-In Wire SSL Connector

TE Connectivity (Harrisburg, PA) has extended its line of poke-in connectors to include the new micro poke-in wire SSL connector — a low-profile printed circuit board connector specifically designed for LED...

Products: Lighting
LED Control IC

The IRS2548D switched-mode power supply control IC from International Rectifier (El Segundo, CA) is for high-power LED illumination including LED street lighting, stadium lighting, and theatrical lighting. The device achieves...

Two new series of connectors for LED lighting systems from AVX Corporation (Greenville, SC) maintain the same luminosity and light intensity as florescent strip lights. The standard length of fluorescent...

Hirose (Simi Valley, CA) has developed a 2-mm pitch, multi-functional connector system that provides wire-to-board, board-to-board joint and short-circuit sockets in a single connector design. The DF59...

Podcasts
William Allen, Senior Engineer, Spacecraft Mechanical Engineering Section, Jet Propulsion Laboratory, Pasadena, CA

William Allen, senior engineer at the Jet Propulsion Laboratory, is the mechanical systems design lead on the Mars Science Laboratory (MSL), NASA’s biggest, most expensive, and most capable Mars rover. The rover is set to launch...

Question of the Week
Will there be enough of a market to justify taxpayer investment in new, private space taxis?
This week's Question: Last week, leaders of various commercial space companies argued for the future of their industry in front of a House panel, as lawmakers questioned whether there would be enough of a market in space transportation and tourism to...

A Northwestern University research team has developed a new material that absorbs a wide range of wavelengths and could lead to more efficient and less expensive solar technology. The researchers used...

Solar thermal power plants - which use high temperatures and pressure generated by sunlight to produce turbine movement - are an environmentally-friendly alternative to standard power plants. But this...

Articles: Photonics/Optics
NASA Looks to Make Tractor Beams a Reality

Tractor beams — the ability to trap and move objects using laser light — are not just “Star Trek” science fiction, and are not beyond current technology. A team of NASA scientists has won funding to study the concept of remotely capturing planetary or atmospheric particles, and delivering them...

News: Energy
New Anode Technology Improves Battery Performance

A breakthrough in components for next-generation batteries could come from special materials that transform their structure to perform better over time.

A team of researchers at the U.S. Department of Energy's Argonne National Laboratory, led by Argonne nanoscientist Tijana Rajh and battery...

The National Renewable Energy Lab (NREL) has won the 2011 GreenGov Presidential Award for Green Innovation. NREL’s Green Data Center was recognized for its innovative design that minimizes its energy footprint...

For everything from batteries to photovoltaics, new materials are crucial to building a clean energy economy. To speed up the development cycle, Berkeley Lab and MIT researchers have teamed up to...

Question of the Week
Is the discovery of intelligent alien life unlikely?
This week's Question: Two recent ePetitions on a "We the People" petition site asked the government to acknowledge the presence of aliens. A reply from a research assistant from the White House's Office of Science and Technology Policy emphasized that the government was actively looking for...
News: Green Design & Manufacturing
Photosynthesis Helper Protein Discovered

Photosynthesis is less efficient in plants than it could be. Red algae, in contrast, use a slightly different mechanism and are thus more productive. Scientists from Germany's Max Planck Institute...

Today, Ascent Solar Technologies, Inc. (Thornton, CO) - a developer of lightweight, flexible, thin-film photovoltaic modules - has announced the selection of seven teams that will begin designing...

Articles: Materials
New NASA Material Redefines “Dark”

NASA engineers have produced a material that absorbs, on average, more than 99 percent of the ultraviolet, visible, infrared, and far-infrared light that hits it -- a development that promises to open new frontiers in space technology.

Engineers at NASA's Goddard Space Flight Center in Greenbelt, MD,...

News: Green Design & Manufacturing
A Step Forward for Bioremediation

Berkeley Lab researchers have revealed critical genetic secrets of a bacterium that holds potential for removing toxic and radioactive waste from the environment. The researchers have provided the first...

A research team from Tel Aviv University is working on a solar panel composed of nano-antennas instead of semiconductors. By adapting classic metallic antennas to absorb light waves at optical...

Question of the Week
Are you concerned that children are spending more time than ever in front of screens?
This week's Question: A new study from Common Sense Media shows that infants and toddlers spend twice as much time with screen media as they do with books. While television is still the dominant media device in most young children's lives, the study, based on...

With the DOE, Virent, Inc., and the National Renewable Energy Laboratory (NREL) working together, planes may soon take to the skies using less petroleum. In June, DOE announced an award of up to $13.4 million dollars...

Products: Electronics & Computers
Ideal Diodes With 15-mV Forward Voltage

Linear Technology Corporation (Milpitas, CA) has introduced the LTC4415, a monolithic two-channel 4A PowerPath™ ideal diode device designed to reduce heat, voltage drop, and board space while...

The new issue of Lighting Technology is here! Check out more new feature articles, application stories, tech briefs, products, videos, and research news - all on the latest advances in LEDs and solid-state...

A research team from the University of Georgia has developed a "super strain" of yeast that can efficiently ferment ethanol from pretreated pine - one of the most common species of trees in the U.S. Their...

As the sustainable design movement continues to grow rapidly throughout the US, architectural engineers, building product manufacturers, and construction business...

Question of the Week
Will we be able to design an "operating system" for a living biological cell?
This week's Question: As part of a five-year, $1.58 million research project named AudACiOus, a group of University of Nottingham scientists will attempt to program the genetic components of a cell to perform any desired function, without requiring extensive modification...

As the market for liquid crystal displays and other electronics continues to drive up the price of indium — the material used to make the indium tin oxide (ITO) transparent...

News: Energy
New Battery Design Features Carbon Foam Cathode

A lighter, greener, cheaper, longer-lasting battery. Who wouldn’t want that?

Products
Servo Drive

Portescap’s (West Chester, PA) LVD is a high-performance low-voltage servo drive, designed to support small and large Brushed DC or Brushless motors. Packed in a high power-density package, LVD is powered from a supply voltage...

ADLINK Technology (San Jose, CA) has released its latest Ampro by ADLINK™ Extreme Rugged™ CoreModule® 720 PC/104-Plus single board computer (SBC) with Intel® Atom™ Processor E600 Series and Rugged...

Products
Fanless Mini PC

Stealth.Com Inc. (Stealth Computer) (San Jose, CA) has released the new model LPC-125LPFM, a rugged, small footprint, fanless computer for industrial, Mobile/In-Vehicle and Embedded applications. Stealth’s fanless mobile PC...

Products
Blade Server

NextComputing (Nashua, NH) has announced support for the NVIDIA® Tesla™ C-class GPU computing processors in its NextStream dense streaming blade server, including the recently announced Tesla C2075. At a diminutive 2 rack...

News: Government
Is Sustainability Science a Legitimate Science?

Creating a scientific field just out of societal and policy need is a bold concept. But Los Alamos National Laboratory and Indiana University researchers say that for the emerging field of sustainability science - sorting among theoretical and applied scientific disciplines, making sense of...

News
Integrated Semiconductor Nanowires Improve Solar Cell Production

Tiny wires could help engineers realize high-performance solar cells and other electronics, according to University of Illinois researchers. The research group, led by electrical and computer engineering professor Xiuling Li, developed a technique to integrate compound...

Articles: Imaging
New Video Documents Three-Year Trek by Mars Rover

A new video compiles 309 images taken by NASA’s Mars Exploration Rover Opportunity, providing an historic record of a three-year trek that totaled about 13 miles across a Martian plain pocked with smaller craters.

While Opportunity was traveling from Victoria crater to Endeavour crater,...

Pyrite - or “fool’s gold” - has recently helped researchers at Oregon State University discover related compounds that offer new, cheap, and promising options for solar energy. These new...

Question of the Week
Will the rover reveal that Mars might once have been hospitable for microbial life — or might even still be conducive to life?

This week's Question: The Curiosity rover, NASA's biggest extraterrestrial explorer, was launched toward Mars last week. The mobile laboratory, 10 feet long by 9 feet wide, will search for evidence that the planet was...

Researchers with DOE’s Joint BioEnergy Institute (JBEI) have engineered the first strains of Escherichia coli bacteria that can digest switchgrass biomass and...

Videos