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Briefs: Manufacturing & Prototyping
A special double-wall container and a process for utilizing the container are being developed to enable (1) acquisition of a sample of material in a "dirty" environment that may...
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Products: Robotics, Automation & Control
The ULT Series of direct-drive frameless motors from Applimotion (Loomis, CA) is available in sizes down to 27 mm in diameter with axial length to 8 mm and up to a 20-mm through hole. They operate from traditional...
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Briefs: Medical
The figure schematically depicts a system of electronic hardware and software that noninvasively tracks the direction of a person’s gaze in real time. Like prior commercial noninvasive eye-tracking...
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Products: Robotics, Automation & Control
Helical Products (Santa Maria, CA) offers miniature couplings, u-joints, and machined springs with integrated attachment components. The line includes couplings with an unlimited variety of customized ends. All of these...
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Briefs: Medical
Detergent-Specific Membrane Protein Crystallization Screens
A suite of reagents has been developed for three-dimensional crystallization of integral membranes present in solution as protein-detergent complexes (PDCs). The compositions of these reagents have been determined in part by proximity to the phase boundaries (lower consolute boundaries) of...
Products: Robotics, Automation & Control
Haydon Switch & Instrument (Waterbury, CT) has added the size 14 hybrid to its line of linear actuators. The devices are available with a 0.9-degree step angle and come in all four designs: captive, non-captive, external...
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Briefs: Mechanical & Fluid Systems
Railguns, which propel a projectile using electromagnetic forces instead of chemical explosions, promise to revolutionize projectile launchers. Such guns have been...
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Products: Robotics, Automation & Control
Beswick Engineering (Greenland, NH) has released the PCFCD-1N1, an ultra-miniature pressure-compensated flow control valve with low-friction diaphragm. The device is designed to maintain a constant flow...
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Briefs: Physical Sciences
In a proposed scheme for coupling light into a quantum-well infrared photodetector (QWIP), an antenna or an array of antennas made of a suitable metal would be fabricated on the face of what would otherwise...
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Products: Robotics, Automation & Control
The AEGIS SGR™ Conductive MicroFiber™ Shaft Grounding Ring from Electro Static Technology (Mechanic Falls, ME) is suitable for predictive maintenance programs on VFD-controlled AC and DC motors. By protecting bearings...
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Briefs: Physical Sciences
Suits cooled by evaporation of water have been proposed as improved means of temporary protection against high temperatures near fires. When air temperature exceeds 600 °F (316 °C) or...
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Products: Robotics, Automation & Control
Aerotech (Pittsburgh, PA) offers the ABRT series rotary air-bearing stages that provide 360-degree continuous travel with resolution to 0.027 arc sec. Payload capacity is up to 69 kg.
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Briefs: Physical Sciences
Electronic tongue 2 (E-tongue 2) represents the second generation of the apparatus described in "Electronic Tongue for Quantitation of Contaminants in Water" (NPO-30601), NASA Tech...
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Briefs: Information Technology
NASA Dryden presents an improved and automated site-specific algorithm for heat-stress approximation using standard atmospheric measurements routinely obtained from the Edwards Air Force Base weather detachment....
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Briefs: Information Technology
A method of automated testing of software has been developed that provides an alternative to the conventional mostly manual approach for software testing. The method combines (1) automated...
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Who's Who: Aerospace
NASA recently tested the Nano ChemSensor, the first nanotechnology- based electronic device to fly in space. The test showed that the sensor could monitor trace gases inside a...
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Briefs: Mechanical & Fluid Systems
Rover Wheel-Actuated Tool
A report describes an interface for utilizing some of the mobility features of a mobile robot for general-purpose manipulation of tools and other objects. The robot in question, now undergoing conceptual development for use on the Moon, is the All-Terrain Hex-Limbed Extra-Terrestrial Explorer (ATHLETE) rover, which is...
Briefs: Physical Sciences
Second-Generation Electronic Nose
A report discusses the second generation of the JPL Electronic Nose (ENose), an array of 32 semi-specific chemical sensors used as an event monitor to identify and quantify contaminants released into breathing air by leaks or spills. It is designed to monitor the environment for changes in air quality, and is...
Briefs: Mechanical & Fluid Systems
The recent introduction of uninhabited aerial vehicles [UAVs (basically, remotely piloted or autonomous aircraft)] has spawned new developments in autonomous operation and posed new challenges....
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Products
SolidWorks Corp., Concord, MA, has announced SolidWorks® 2008 3D CAD software that features a new user interface and 3D graphics, an enhancement of the SolidWorks Intelligent Feature Technology (SWIFT), and...
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Briefs: Mechanical & Fluid Systems
Cobra Probes Containing Replaceable Thermocouples
A modification of the basic design of cobra probes provides for relatively easy replacement of broken thermocouples. [Cobra probes are standard tube-type pressure probes that may also contain thermocouples and that are routinely used in wind tunnels and aeronautical hardware. They are so named...
Tech Needs
High-Birefringence Optical Material
A high-birefringence optical material suitable for implementation in optical systems is sought. This material has several qualities of interest beyond high birefringence: high hardness, making it amenable to standard polishing and manufacturing processes; low CTE (coefficient of thermal expansion); low CTRI...
Tech Needs
Freshness Indicator for Consumer Packaging
A technology is sought that indicates that a product packed into a rigid metal container has not been tampered with and/or degraded over time. The solution must incorporate a method of communicating this information to the packager, retailer, or consumer. After packaging, and depending on the product, the...
Techs for License
Printable Biosensor for On-Site, Online Measurements
Bioactive Hybrid Materials for Photonic Microsystems It allows samples to be analyzed on site within a few minutes by integrating biotechnology, information technology, electronics, physics, and chemistry to realize small and cost-effective bio-photonic microsystems.
Techs for License
High Performance Single Crystal Piezoelectrics
The new single crystals offered here possess exceptional properties and are poised to revolutionize piezoelectric materials applications. In addition to strain levels exceeding 1% (usable strain: 0.5% at 35 kV/cm), these crystals exhibit five times the strain energy density of conventional...
Techs for License
Novel Nano-Structured Concept for Thermal Protection System
Lightweight carbon-carbon (C/C) composites produced by pressure-assisted co- polymerization of carbon fibers, hydrocarbons and fullerenes have excellent mechanical properties and high thermal stability that make them ideal for thermal protection applications.
Techs for License
Mathematically Lossless Compression for Real-Time Medical Imaging
Qbit’s proprietary line of data compression software offers 100% mathematically lossless data reconstruction that ensures that every bit is reconstructed. It allows for an increase in digital throughput, workflow speed, and acts as an enabling technology for applications that...
Techs for License
Automated, In-Process Method for Surface Contamination Inspection of Panels
This patented surface contamination detection system enables accurate, automated, in-line inspection of metallic and composite panels prior to bonding, coating, painting, or welding operations. This technology is currently used for realtime, in-process panel inspection at a...
Blog
Innovate and Win!
If you have a unique design idea or invention, you could win $20,000 in the 2007 Create the Future Design Contest, presented by SolidWorks Corp. and NASA Tech Briefs. The contest is open for entries in these categories: Machinery, Equipment, and Component Technology; Consumer Products; Medical; Safety and Security; Transportation;...

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