Briefs: Manufacturing & Prototyping
Diamond Machining of an Off-Axis Biconic Aspherical Mirror

Two diamond-machining methods have been developed as part of an effort to design and fabricate an off-axis, biconic ellipsoidal, concave aluminum mirror for an infrared spectrometer at the Kitt Peak National Observatory. Beyond this initial application, the methods can be expected to...

Briefs: Manufacturing & Prototyping
Laser Ablation Increases PEM/Catalyst Interfacial Area

An investigational method of improving the performance of a fuel cell that contains a polymer-electrolyte membrane (PEM) is based on the concept of roughening the surface of the PEM,...

Lightweight composites of RP46 polyimide and glass fibers have been found to be useful as extraordinarily fire-resistant electrical-insulation materials. RP46 is a polyimide of the...

Briefs: Materials
Damage Detection and Self-Repair in Inflatable/Deployable Structures

Inflatable/deployable structures are under consideration for applications as varied as expansion modules for the International Space Station to destinations for space tourism to habitats for the lunar surface. Monitoring and maintaining the integrity of the physical structure...

Ceramic strain gauges in which the strain-sensitive electrically conductive strips made from nanocomposites of noble metal and indium tin oxide (ITO) are being developed for use in gas turbine...

Briefs: Mechanical & Fluid Systems
Quick-Connect Windowed Non-Stick Penetrator Tips for Rapid Sampling

Standard penetrator sampling systems were designed in order to allow for sampling via penetrators to produce a full set of sample acquisitions including volatile liquids, fine powders, and solid fragments. A gravity harpoon sampler has been designed with a removable tip and a...

Briefs: Mechanical & Fluid Systems
Prediction of B-Pillar Failure in Automobile Bodies

The B-pillar is an important load-carrying component of any automobile body. It is a primary support structure for the roof, and is typically a thin-walled, spot-welded, closed-section...

Briefs: Mechanical & Fluid Systems
Modeling Unsteady Cavitation and Dynamic Loads in Turbopumps

A computational fluid dynamics (CFD) model that includes representations of effects of unsteady cavitation and associated dynamic loads has been developed to increase the accuracy of simulations of the performances of turbopumps. Although the model was originally intended to serve as a...

A continuous-flow system utilizes microwave heating to sterilize water and to thermally inactivate endotoxins produced in the sterilization process. The system is designed for use in...

A method of discriminating between spore-forming and non-spore-forming bacteria is based on a combination of simultaneous sporulation-specific and non-sporulation-specific quantitative...

It has been proposed to modify the basic structure of an nBn infrared photodetector so that a plain electron-donor-type (n-type) semiconductor contact layer would be replaced by a...

A concept for an ultra-broad-band optical parametric amplifier or oscillator has emerged as a by-product of a theoretical study in fundamental quantum optics. The study was...

Accelerometer systems that would combine the best features of both conventional (e.g., mechanical) accelerometers and atom interferometer accelerometers (AIAs) have been proposed. These...

In a proposed method of sensing small quantities of molecules of interest, surface enhanced Raman scattering (SERS) spectroscopy would be further enhanced by means of intermolecular...

Equations for computing tight bounds on error rates for coded pulse-position modulation (PPM) on a Poisson channel at high signal-to-noise ratio have been derived. These equations and...

A multi-agent software/hardware architecture, inspired by the multicellular nature of living organisms, has been proposed as the basis of design of a robust, reliable, persistent...

Briefs: Information Technology
Using Covariance Analysis To Assess Pointing Performance

A Pointing Covariance Analysis Tool (PCAT) has been developed for evaluating the expected performance of the pointing control system for NASA’s Space Interferometry Mission (SIM). The SIM pointing control system is very complex, consisting of multiple feedback and feedforward loops, and...

Techs for License
Innovative Cooling Technology for Circuit Boards with LED Lights

Advanced Solid State Lighting (SSL) is a technology that enables the use of LED lights in cost-sensitive applications where cooling of the LED is needed. One limitation that has hindered LED light designs in commercial applications is the cooling of the LEDs when used in the...

Techs for License
Through-Metal RFID Tags Resist Harsh Environments and Deter Counterfeiting

These patented 125-kHz RFID tags and readers enable tag information to be read and written through metal so that tags can be hermetically sealed inside metal parts such as surgical instruments, construction forms, weapons, and similar devices that must withstand harsh...

Tech Needs
Topical Products to Suppress Pain During Epilation

A company is seeking topically applied products and/or chemical technologies to eliminate or suppress pain sensation associated with epilation of undesired hair from skin. Pain elimination or suppression should be quick (<5 minutes) upon application on skin, and the effect should be temporary...

Tech Needs
Crush/Cut-Resistant Safety Glove

A company seeks existing materials that can be utilized in applications for a safety glove. This material must be cutresistant, flexible, and withstand oily, wet, muddy conditions. The material covering the top of the hand and fingers must be extremely flexible and designed to protect the hand and digits from...

Podcasts
Dr. Drake Deming, Senior Scientist, Solar System Exploration Division, Goddard Space Flight Center

Dr. Drake Deming, former Chief of Goddard Space Flight Center’s Planetary Systems Laboratory, currently serves as Senior Scientist with NASA’s Solar System Exploration Division where he specializes in detecting and characterizing hot Jupiter...

Articles: Electronics & Computers
Increasing System Flexibility Using FPGAs

The proliferation of FPGAs into the embedded computing industry has opened up many new pathways for designers to design cost-effective systems that will withstand technology upgrades, changes in...

Embedded systems and desktop PC's have had a love hate relationship over the years. The PC has been the source of significant technological advances that have enabled embedded...

Articles: Electronics & Computers
Using Virtualization to Secure Mobile Device Designs

Mobile devices are increasingly coming under attack from malicious applications. As more complex operating systems (OS), such as Symbian, Windows Mobile, and Linux are used in handsets,...

Application Briefs: Electronics & Computers
Real-Time Data Distribution for Industrial Automation Systems

The quest to bring lockstep efficiency to labor intensive factory production at first relied on mechanical ingenuity. Over time, as reliable and cost-effective microprocessor...

Products: Electronics & Computers
3D Stacked IC Technology (Esc Booth # 1535)

IMEC (Leuven, Belgium) has announced significant progress with its 3D-SIC (3D stacked IC) technology. IMEC recently demonstrated the first functional 3D integrated circuits obtained by die-to-die...

Products: Electronics & Computers
On-Chip Debug Solutions (Esc Booth #1840)

Macraigor Systems (Brookline Village, MA) has ported their proprietary OCDemon On-Chip Debug Technology to ARM Cortex-M3 processors and is offering full GNU toolsets to be used with these processors....

Products: Electronics & Computers
SMP Virtual Machine (Esc Booth #1610)

Aonix® (San Diego, CA) now offers the PERC Ultra SMP with support for multicore hardware. PERC Ultra SMP is a multiprocessor and multicore solution for complex mission-critical embedded and real-time...

Videos