News : Electronics & Computers
Read November's Lighting Technology

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 lighting.

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 preserving battery run time in power switchover circuits.

News : Energy
Jet Fuel of the Future
Jet Fuel of the Future

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...

Jet Fuel of the Future
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...
News : Energy
Adapted Antennas Harness More Power From the Sun

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 frequencies, a much higher conversion rate from light into useable energy can be achieved.

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 ever map of the genes that determine how these bacteria interact with their surrounding environment.

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 : Manufacturing & Prototyping
Design Competition for Portable Solar Power

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 prototypes for the Ascent Solar Innovative Design Competition.

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 of Biochemistry (MPIB) have now identified a helper protein for photosynthesis in red algae.

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 : Electronics & Computers
A Search Engine for Clean Energy Materials

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 develop a new tool - called the Materials Project - which launches this month.

News : Energy
Green Innovation - Awarded

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 and reduces costs, without compromising service quality.

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...

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
Affordable Solar Option for Power Plants

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 can be expensive, especially when it comes to equipment made from expensive metals and the solar...

News : Energy
Composite Metamaterial for Solar Tech

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 two unconventional materials – metal and silicon oxide – to create thin but complex, trapezoid-shaped...

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...
Briefs : Lighting
Transparent Conducting Oxides and Undercoat Technologies for Economical OLED Lighting

Economics is a key factor for application of organic light emitting diodes (OLED) in general lighting relative to OLED flat panel displays that can handle high-cost materials such as indium tin oxide (ITO) or indium zinc oxide (IZO) as the transparent...

Briefs : Physical Sciences
Flight Test Results from the Rake Airflow Gage Experiment on the F-15B

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 Dryden’s Propulsion Flight Test Fixture (PFTF) and F-15B testbed airplane (see figure). The PFTF is a...

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 conditions in real time. In addition, local ice-thickness measurements by these sensors could serve as...

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.