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Articles: Electronics & Computers
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 researchers with...
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Articles: Manufacturing & Prototyping
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 Sun. About...
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Articles: Robotics, Automation & Control
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 a...
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Articles: Medical
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 due to the...
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Articles: Manufacturing & Prototyping
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 occur in...
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Articles: Transportation
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 of a...
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Articles: Green Design & Manufacturing
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 clean...
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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 & Security,...
Briefs: Physical Sciences
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...
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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 the...
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 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...
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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 physical...
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 engine...
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: Communications
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 message...
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 Package,...
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 space...
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 its...
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.

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