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Cancer Research Prize
A group of New York investors will award $1 million a year to the person with the best idea in cancer research, and will share the idea worldwide. The Gotham Prize encourages novel thinking in cancer research and will be selected by a panel of scientists from Harvard University, Johns Hopkins University, and the Cancer...
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Current Attractions
Each month, NTB highlights tech briefs related to a particular area of technology in a special section called Technology Focus. Here are some of the technologies featured in the June issue focus on Test & Measurement. Multi-Antenna Radar System for Doppler Rain Measurements A team at NASA's Jet Propulsion Lab is using...
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Techologies of the Week
Square leaflet mechanical heart valves allow efficient blood flow with low shear stress because there are no obstructions in the path of blood flow. This patented innovation in mechanical heart valve design is simple, cost-effective, and substantially improves existing mechanical heart valve designs. Rectangular leaflets...
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Hurricane Simulator
Wind engineers at the University of Florida (UF) have developed the world's largest portable hurricane wind and rain simulator. UF engineers plan to use the machine to blast vacant homes with Category 3 hurricane winds of up to 130 mph, and high-pressure water jets that mimic wind-driven torrential rain. The goal is to learn...
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Current Attractions
Medical imaging technology has led to quicker diagnoses of conditions that, when caught early, can be treated. Because such devices are large, however, they are impractical in the limited area of a space vehicle. An on-going NASA project to address the issue involves image fusion, where in-orbit ultrasounds would be combined...
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Technology Business Briefs
Methodology for Providing Secure Time Stamps or Signals for Documents and Other Computer Files The secure time stamps include an externally generated time signal. More information here.
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Monitoring Darfur
Amnesty International USA is using powerful satellite cameras to monitor highly vulnerable villages in war-torn Darfur -- the first-ever technological capability by human rights defenders to track possible targets of attack, prevent new atrocities, and save lives. Unlike other online projects which only document previous...
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Climate Modeling
A new Web-enhanced version of the most commonly used climate modeling system, TeraGrid, will allow many more scientists to test theories about the Earth's climate. Called the Community Climate System Model (CCSM), the new version is actually a collection of interconnected modeling systems. CCSM contains separate climate models...
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Current Attractions
ALGOR V20 from ALGOR, Inc. (Pittsburgh, PA) has been named NTB's Product of the Month for June. An integrated CAD/finite element analysis (FEA) modeling environment for working with imported CAD models or building original models, the new release features design scenarios that let a single FEA model contain numerous analyses; a...
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Tech Needs of the Week
A cost-efficient anti-graffiti coating solution is needed for application to flexible PVC film. The coating should add a flexible transparent layer with specific properties: scratch & UV resistant, stable physical behavior between -30 degrees and 90 degrees Celsius, and resistant to solvents and alcohols used for graffiti...
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NASA News
On June 5, NASA's MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft flew past Venus just 338 km above the planet's surface and shot a laser into the clouds. Although MESSENGER is on a mission to Mercury, the spacecraft must pass by Venus for a gravity assist en route. In passing, researchers hope to...
INSIDER: Electronics & Computers
SMP vs. AMP: How Homogenous Is Your Embedded System?
Multiprocessing system architectures come in all shapes and sizes, so it is dangerous to make any generalizations. But perhaps there's agreement that most systems can be classified as either symmetric multiprocessing (SMP) or asymmetric multiprocessing (AMP).
INSIDER: Electronics & Computers
Secure Partitioning Safeguards Real-time Performance
High performance multi-core processors are providing opportunities to consolidate multiple applications into a single system. However, embedded applications often have real-time requirements that cannot be put in jeopardy by other software clamoring for the same system resources such as CPU...
INSIDER: Electronics & Computers
Multi-core processing is a "disruptive technology", transforming the way embedded systems are architected, developed, and debugged. With greatly improved performance and lower power, multi-core...
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Navy Remote Sensing
A partnership between NASA and the U.S. Naval Academy is offering students the chance to build a satellite called "MidSTAR-2" through a U.S. Department of Defense program that will carry four experiments into space in 2011 to look at different parts of Earth's atmosphere, gamma rays, and solar winds. Scientists at NASA's Goddard...
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Sensor Spinoff
Beneath the waves near Key Largo, FL, an underwater lab called Aquarius provides a safe harbor for scientists to live and work for weeks at a time. For NASA, Aquarius provides an environment that is analogous to the International Space Station (ISS) and the space shuttle. To maintain Aquarius, NASA recruited Invocon of Conroe, TX, to...
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Technologies of the Week
The Magtorque sensor provides a simple, low-cost means to monitor torque on rotating elements. It uses a small and magnetoelastic sensor attached to the shaft that is monitored remotely via an inductive pickup. It provides sensitive and repeatable measurements of applied torque without direct physical contact. More...
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Cell Phone Sensors
The Department of Homeland Security (DHS) is researching the use of cell phones equipped with sensors that could detect biological agents such as anthrax, as well as radioactive isotopes and toxic chemicals. Since fixed sensors can't be placed everywhere, the solution could soon be in everyone's hands. Gentag, a Washington,...
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Current Attractions
This monthly review lets you "meet" the new advertisers appearing in Defense Tech Briefs (DTB). Here's a sneak peek at the products, services, and offers available from June's first-time advertisers. Alpha Security Group is a publicly traded company that seeks to acquire a homeland security or defense business. Contact Steve...
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Technology Business Brief
This modulator was developed to provide circuitry and apparatus that create specialized optical signals suitable for use as a digital photonic clock, a pulse amplitude modulator, and a bi-stable optical memory cell. More information here.
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Green Bricks
Researchers from Freight Pipeline Company (FPC) taking part in a National Science Foundation (NSF)-sponsored project have found that bricks made from fly ash -- fine ash particles captured as waste by coal-fired power plants -- may be even safer than predicted. Instead of leaching minute amounts of mercury as earlier predicted, the...
Articles: Robotics, Automation & Control
Robotic system designers should choose the right power source for the job. Often, electric motors are chosen without thinking about the benefits of hydraulics or...
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Application Briefs: Robotics, Automation & Control
Traditionally, once they are shaped, but before they are mounted, diamonds are rated by the “4 Cs” — clarity, color, carat, and cut. Modern gemology, however, grades finished diamonds by a more...
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Application Briefs: Robotics, Automation & Control
Scheduled for completion in 2009, the National Ignition Facility Project (NIF), part of Lawrence Livermore National Laboratory (LLNL, Livermore, CA), is a component of the National...
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Products: Robotics, Automation & Control
Nippon Pulse America (Radford, VA) released the Captive LINEARSTEP Series Linear-Type Stepper Motor, a RoHS-compliant, linear-type stepper motor with a one-piece captive shaft. The linear shaft movement is guideless,...
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Products: Robotics, Automation & Control
Ring Tachometer
Madison Electric Products (Mentor, OH) offers the C-face ring tachometer that monitors motor shaft RPM when using NEMA C-face, metric flanged, or faced motors. The device is designed with a dual C-face mount to fit between the motor and gearbox, break, or clutch, and has a slim-line profile. Features include single and quadrature...
Products: Robotics, Automation & Control
Boston Gear (Quincy, MA) released Helical Planetary Precision Gearheads for direct attachment to servo and stepper motors. All exposed gearhead parts are composed of stainless steel. Housings are available in anodized...
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Products: Robotics, Automation & Control
From PHD (Fort Wayne, IN), the Series SMF Multiple Position Slide allows for a switch to be mounted at any point along the slide’s travel. Multiple intermediate stopping positions are available, and a stainless steel...
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Products: Robotics, Automation & Control
Prior Scientific (Rockland, MA) introduced the PriorPCI2 High Speed Stepper Motor Controller, featuring a 175 × 106 mm design; standard six-axis control for XY, focus, and three filter wheels; shutter control for three...
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