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Silicon Nanowires

Energy lost as heat during the production of electricity could be harnessed through silicon nanowires synthesized via a technique developed at the U.S. Department of Energy's Lawrence Berkeley National Laboratory and the University of California at Berkeley. Scientists believe the technology could produce massive savings on...

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Mapping Tool

Tracking the location of resources such as hospitals, fire stations, transportation equipment, and water during an emergency situation can be life-saving. The Geographic Tool for Visualization and Collaboration (GTVC) was initially developed for military applications, and has recently been modified by the Georgia Tech Research...

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Current Attractions

Each month, NTB highlights tech briefs related to a particular area of technology in a special section known as Technology Focus. Here's an Insider look at the January focus on Sensors.

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Tech Needs of the Week

An organization seeks a rapid, inexpensive, and reliable test that can detect even small levels of acrylamide in foods. Acrylamide is a known carcinogen that appears naturally all through nature. It is also found in larger concentrations when any food is cooked and carbonized. The solution should be cost-effective to use...

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Touching the Cosmos

NASA introduced a new book, "Touch the Invisible Sky," at a ceremony at the National Federation of the Blind. Images of nebulae, stars, and galaxies from the Hubble Space Telescope, Chandra X-ray Observatory, Spitzer Space Telescope, and ground-based telescopes are brought to the fingertips of the blind. Each image is...

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Current Attractions

Scientists remain in an ongoing quest to validate the Big Bang theory tracing the early history of the universe. The NASA Cosmic Background Explorer (COBE) satellite was designed to study radiation patterns from the first few moments after the universe was formed, in an effort to unravel the mystery of the Big Bang.

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Fragile X Syndrome

Researchers at University of Texas Southwestern Medical Center have made progress in unlocking the secrets behind the Fragile X syndrome, the most common cause of inherited mental retardation and the most common genetic cause of autism.

"I think we've discovered a core mechanism underlying Fragile X syndrome," said Dr....

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Electric Motor Drive Magnets

A permanent magnet alloy being developed by scientists at the U.S. Department of Energy's Laboratory in Ames, Iowa, promises high- temperature performance for next-generation drive motors for electric vehicles. The alloy retains much of its magnetic strength at 200°C to help make electric drive motors more...

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Current Attractions

Objet Geometries, Billerica, MA, has introduced the Connex500™ multi-material 3D printer based on the company's PolyJet Matrix™ technology, which provides simultaneous jetting of multiple model materials. The system, which was named NASA Tech Briefs' Product of the Month for January, enables the printing of parts and...

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Techs of the Week

An improved ASIC (Application Specific Integrated Circuit) for industrial proximity sensor applications provides ease of programmability, embedded trimming capability, and dual slope temperature compensation. This ASIC design enables inductive proximity sensor/switches to be easily programmed after full assembly in production...

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Organic Transistors

Researchers at the Georgia Institute of Technology have successfully fabricated high- performance field effect transistors using thin films of Carbon 60, also known as fullerene. The new devices - which have electron- mobility values higher than amorphous silicon, low threshold voltages, large on-off ratios, and high...

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Technology Business Briefs

US Patents for Sale

High-Speed Technique for Noise Reduction, Compression & Pattern Recognition. Three issued US patents for sale.

Click here for more info.

Digital Video Encoding and Transmission System. Two issued US patents for sale. Click here for more info.

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Gas Sensor

An international team of researchers, led by Professor Akintundle Ibitayo Akiniwande, are developing a tiny sensor that could be used to detect minute quantities of hazardous gases, including toxic industrial chemicals and chemical warfare agents, more quickly than current devices. A key factor in the team's success is their ability...

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Tech Needs of the Week

A company is looking for technologies to prevent garbage bags from falling into garbage cans during usage. The technology should be economical and appropriate for a low-cost, high-volume consumer product. Possible approaches include adhesives that do not leave behind residue, electrostatic approaches, frames at the top of...

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Swollen Solution

Magnetic therapy is an alternative method for treating multiple conditions. Thomas Skalak, a biomedical engineering professor at the University of Virginia, has been researching its effectiveness. Skalak's lab focuses on microcirculation research - the study of blood flow through the body's tiniest blood vessels. Skalak set out...

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Cyanide Antidote

Researchers at the University of Minnesota Center for Drug Design and Minneapolis VA Medical Center have discovered a fast-acting antidote to cyanide poisoning that can potentially save the lives of firefighters, industrial workers, and others exposed to the chemical.

Developed by Steven Patterson, principal investigator...

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Advanced Nanolasers

Memory capacity has undergone impressive advances in recent years, but could take a quantum leap thanks to advanced nanolasers now under development in laboratories such as at the University of California in Riverside.

Led by associate professor of engineering Sakhrat Khizroev, the research team is exploring using tiny...

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Techs of the Week

An embedded passive integration technology allows the integration of passive components into the printed circuit board (PCB). Applied for power converters, these embedded passive integrated circuits reduce size and thus improve power density. It comprises several layers of passive functions to achieve a highly automated,...

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Modeling Biosensors

Purdue University researchers have developed a modeling technique to study and design miniature biosensors, which could help industry perfect lab-on-a-chip technology for uses ranging from medical diagnostics to environmental monitoring. Biosensors represent a class of portable sensors designed to

capture and detect...

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Reverse Combustion

Using concentrated solar energy, researchers at Sandia National Laboratories are building a prototype device that can chemically re-energize carbon dioxide into carbon monoxide. The carbon monoxide can then be used to produce hydrogen or help synthesize a liquid combustible fuel such as methanol, gasoline, diesel, or jet...

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Disease-Killing Nanotubes

Researchers at Rensselaer Polytechnic Institute have developed a method to detect and destroy proteins, including dangerous ones such as anthrax, using light. The process exposes the proteins to invisible, near-infrared light, rendering them harmless. The technique lends itself to creating new antibacterial and...

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Techs of the Week

A GPS receiving technology can take any signals from both GPS and GLONASS, besides European Satellites such as WAAS and EGNOS. Called ARGO-16, the GPS technology has 16 universal channels in ARGO-16 that can receive and process either GPS or GLONASS satellite signals. It produces high performance with satellite coverage for...

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Open Source Software

Anyone who has worked with programs such as Linux, Firefox, and Open Office is familiar with the concept of open-source software. Essentially, open-source software distributes programs and all of the underlying code for free. It's an interesting concept that has become quite popular in the engineering world but, until now,...

This year, NASA celebrates its 50th anniversary, which will be observed on October 1. All year, NASA Tech Briefs will join in the celebration, highlighting technology innovations and epic moments...

Using NASA's Cosmic Background Explorer (COBE) satellite to measure microwaves and infrared light that originated with the formation of the universe, Dr. John C. Mather...

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Internet Instrumentation

Software is currently being developed at Ohio State University that will one day help scientists operate big-budget research instruments, such as high-powered microscopes and telescopes, over the Internet. The need for such capability, which is being driven by the high cost of doing research, is growing rapidly. By using...

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NASA Briefs

The John H. Glenn Research Center introduces the Portable Unit for Metabolic Analysis (PUMA), an instrument that measures quantities indicative of human metabolic function. The PUMA makes time-resolved measurements of temperature, pressure, flow, and the partial pressures of oxygen and carbon dioxide in breath during inhalation and...

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Perilous Paunch

Abdominal obesity is a known independent risk factor for heart disease. Based on results of the European Prospective Investigation into Cancer cohort study (Epic-Norfolk), researchers have found that using the waist-hip ratio rather than waist measurement alone is a better predictor of heart disease risk.

The research was...

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Tech Needs of the Week

A company is seeking a powder slurry coating technology, where substrates are coated with powder slurry in an organic binder and then heat treated to diffuse the coating onto the substrates. Any proposed powder slurry coating technology should involve a powder composition based on Co-based or Ni-based alloys. It should be...

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