Briefs: Physical Sciences
Fuel-Cell Power Source Based on Onboard Rocket Propellants

The use of onboard rocket propellants (dense liquids at room temperature) in place of conventional cryogenic fuel-cell reactants (hydrogen and oxygen) eliminates the mass penalties associated with cryocooling and boil-off. The high energy content and density of the rocket propellants...

In the polar regions of the Moon, some areas within craters are permanently shadowed from solar illumination and can drop to temperatures of 100 K or lower. These...

With this high-resolution imaging radar system, coherent illumination in the 576-to-589-GHz range and phase-sensitive detection are implemented in an all-solid-state design based on...

The temperature dependence of fluxoid quantization in a superconducting loop. The sensitivity of the device is expected to surpass that of other super-conducting-based bolometric devices, such...

Briefs: Physical Sciences
Simultaneous Spectral Temporal Adaptive Raman Spectrometer — SSTARS

Raman spectroscopy is a prime candidate for the next generation of planetary instruments, as it addresses the primary goal of mineralogical analysis, which is structure and composition. However, large fluorescence return from many mineral samples under visible light excitation...

Briefs: Information Technology
Algorithms for Learning Preferences for Sets of Objects

A method is being developed that provides for an artificial-intelligence system to learn a user’s preferences for sets of objects and to thereafter automatically select subsets of objects according to those preferences. The method was originally intended to enable automated selection,...

Two image-data-processing algorithms are essential to the successful operation of a system of electronic hardware and software that noninvasively tracks the direction of a person’s...

Briefs: Information Technology
Model for Simulating a Spiral Software-Development Process

A discrete-event simulation model, and a computer program that implements the model, have been developed as means of analyzing a spiral software-development process. This model can be tailored to specific development environments for use by software project managers in making...

Briefs: Information Technology
Adapting ASPEN for Orbital Express

By studying the Orbital Express mission, modeling the spacecraft and scenarios, and testing the system, a technique has been developed that uses recursive decomposition to represent procedural actions declaratively, schemalevel uncertainty reasoning to make uncertainty reasoning tractable, and lightweight,...

Briefs: Information Technology
Algorithm That Synthesizes Other Algorithms for Hashing

An algorithm that includes a collection of several subalgorithms has been devised as a means of synthesizing still other algorithms (which could include computer code) that utilize hashing to determine whether an element (typically, a number or other datum) is a member of a set (typically,...

COMSOL, Burlington, MA, has released COMSOL Multiphysics Version 4.0 multiphysics simulation software with a new COMSOL Desktop™ user interface that provides an organized...

Techs for License
Microshutters With Fast Switching Time for Highly Integrated Spectrometers

In contemporary spectrometers the wavelength selection is obtained through a dispersing optical element and a linear detector. The introduction of micro-cantilevers with fast response time, used as micro-shutters, allows the possibility to adopt a single sensing...

Techs for License
Size-Controlled Fabrication of Microparticles Incorporating Active Ingredients

A scaleable technique based on ink-jet technology fabricates polymer microparticles with best-in-class size distribution. It is suitable for a variety of particle morphologies such as solid, porous, and microcapsules filled with gases, liquids, or a combination. Drugs...

Tech Needs
Ideas and Protocols to Differentiate Terrestrial Life from Indigenous Exobiological Life

No protocol exists to determine whether life found on other planets or in space is indigenous to its locale, or is the result of contamination from probes sent by Earth. NASA seeks such a protocol in anticipation of manned exploration of Mars. The protocol...

Tech Needs
Polymer/Carbon or Other Materials With Conductivity Approaching Copper and Aluminum

A company seeks a weight-saving alternative to sheets and wires of copper and aluminum that can operate at specific frequencies. The company wants to replace conductive casings, conductors, wires, grounding plates, and similar electronics structures with other...

Dr. Robert Braun began his NASA career at Langley Research Center in Virginia in 1987 after receiving a B.S in Aerospace Engineering from Penn State...

Podcasts
Dr. Robert Braun

Dr. Robert Braun began his NASA career at Langley Research Center in Virginia in 1987 after receiving a B.S in Aerospace Engineering from Penn State University. While at Langley, he worked on a number of advanced space systems concept and flight programs including the Mars Pathfinder, Mars Microbe, and Mars Surveyor 2001...

Articles: Sensors/Data Acquisition
Wireless Sensor Technology for Real-Time Applications

The ability to make real-time decisions based on pressure, temperature, or flow measurements while a process is running can provide significant advantages in a measurement and control...

Application Briefs: Photonics/Optics
Cockpit Vision System to Improve Pilot Safety
Inertial-Optical Head-Tracking System
InterSense
Billerica, MA
781-541-6330
www.intersense.com

Under NASA funding, InterSense is developing and testing an...

Vibration isolators
Minus K® Technology
Inglewood, CA
310-348-9656
www.minusk.com

Minus K Technology was chosen by ITT Space Systems, LLC, a...

Maintaining proper operation is crucial in safety-critical settings such as space-going vehicles, launch operations, and aeronautics applications. Should abnormal conditions be encountered, it is desirable...

Articles: Electronics & Computers
Programming Network Processors Made Simple

The telecommunications industry’s continuous strive for higher performance has spurred innovations in processor architectures. The general trend has been to go parallel; adding more cores to a...

Due to the growth of video on demand (VoD), IPTV media content, and embedded database applications, AdvancedTCA (ATCA)-based storage capacity requirements continue to increase...

Articles: Electronics & Computers
Achieving Embedded Software Safety with Agility

Safety-critical development standards, such as DO-1781, have been very successful in guiding the production of reliable software. These standards assist developers in applying good...

Satellite communications offer mobility and communications for military operations in remote locations where terrestrial-based connectivity is not available, or is too...

Products: Electronics & Computers
12-Volt System with Mini-ITX Motherboard

ITOX (East Brunswick, NJ) has partnered with Systium® Technologies to introduce the Model 132 “mini” series 12-volt system utilizing the ITOX NP101-D16C Mini-ITX motherboard. The Systium Model...

Products: Electronics & Computers
DB9 Adapter

Sealevel (Liberty, SC) has developed a compact, rugged DB9F-to-5 screw terminal block adapter that allows users to connect their field wiring to DB9 connectors on USB Serial adapters, Ethernet Serial servers, and other Sealevel...

Products: Electronics & Computers
Embedded Virtualization Manager

TenAsys® Corporation (Beaverton, OR) is now shipping eVMTM for Windows®, an embedded virtualization manager software product that enables different real-time operating systems (RTOSes) to run alongside...

Products: Electronics & Computers
Rugged Waterproof Computer

SmallPC.com (Burlington, Ontario, Canada) has released its latest waterproof computer. The SC240ML is designed and tested for reliable operation in the most extreme wet, dirty, and dusty environments, hot or cold....

Webcasts

Upcoming Webinars: Materials

Protecting Power Electronics from EM and RF Interference

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Vehicle Electrification

Upcoming Webinars: Sensors/Data Acquisition

The Evolution of SOSA

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Next-Gen Vehicle Architectures and the Role of HPCs

Tech Talks: Medical

Testing Home Healthcare Medical Devices

Upcoming Webinars: Software

Accelerating Pre-Silicon Software Development with Next-Gen...

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