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Briefs Materials
Low-Water-Permeability Encapsulants for Acoustic Sensors
Afamily of improved encapsulating materials for protecting underwater acoustic sensors has been invented. These materials could also be used for encapsulation or protective coating of...
Briefs Mechanical & Fluid Systems
Castable, Relatively Stiff Acoustic-Damping Materials
A recently invented family of acoustic-damping materials offers advantages over prior acoustic-damping materials:
Briefs Physical Sciences
Novel Methods of Detecting Buried Explosive Devices
Several novel methods of detecting landmines and other buried explosive devices have been proposed and are subjects of continuing research. The use of trained dogs has been shown to be an...
Briefs Physical Sciences
All-Dielectric, Non-Electronic Radio-Receiver Front Ends
All-dielectric, non-electronic, photonicassisted front ends are being developed as alternatives to traditional metal antennas and the associated metal connections and input electronic...
Briefs Information Technology
Thwarting Code-Injection Attacks Using SDT-Based ISR
An improved method has been devised for defending a server or other computer against a code-injection attack, in which an attacker exploits a hardware or software vulnerability to inject...
Briefs Information Technology
Some Advances in Digital-Image Forensics
A program of research in the forensic analysis of digital images has yielded several proposed techniques for automated image-data processing to answer questions concerning the source, authenticity, and integrity of a given image or set of images. The need for such techniques arises because the ease with...
Products
AC Dynamometer Systems
SAKOR Technologies, Okemos, MI, offers the Accudyne™ family of AC Motoring Dynamometers that are compatible with a range of testing applications including conventional engine and power-train systems, hybrid vehicle...
Products
Load Cells
Measurement Specialties, Hampton, VA, offers the Microfused™ line of load cells that allows design engineers to use direct force measurement in various OEM applications where the technology may previously have been too...
Products
Thick Film Resistors
TT electronics IRC Advanced Film Division, Corpus Christi, TX, has qualified their thick film resistors to "R" level military requirements. Called the TMC Series, the general-purpose thick-film military chip resistors...
Products
Landing Gear Simulation Software
LMS, Leuven, Belgium, has introduced LMS Virtual.Lab Landing Gear simulation software that enables development teams to build aircraft landing gear models, simulate their real-life performance, and assess...
Products
Aircraft Fuel Sealant
W.L. Gore, Elkton, MD, has introduced the GORE™ SKYFLEX® Aircraft Fuel Sealant that resists UV and aging and is designed for temperature applications up to 356 °F (180°C). The fuel sealant is a reusable,...
Products
Multi-Sensor Gimbal
Polytech, Malmkoping, Sweden, has released the Cobolt 275 CG multi-sensor gimbal for airborne surveillance missions. The gimbal measures 11" in diameter and has a total mass of less than 12 kg, making it suitable for...
Articles Aerospace
The Altair/Predator B: An Earth Science Aircraft for the 21st Century
NASA's Dryden Flight Research Center, Edwards, CA, has partnered with General Atomics Aeronautical Systems, Inc. (GA-ASI) of San Diego, CA, to demonstrate technologies that...
Articles RF & Microwave Electronics
North Carolina Organization Fosters New Defense and Security Technologies
The Defense and Security Technology Accelerator (DSTA), located in Fayetteville, NC, is a new and innovative program designed to create collaborations with the military, entrepreneurs, and innovators to drive technology business development, technology commercialization, and...
Briefs Manufacturing & Prototyping
Fabrication of Lightweight Armored Doors for HMMWVs
A document describes a concept for fabricating lightweight armored doors for the Army’s high-mobility multipurpose wheeled vehicles (HMMWVs). Essentially, the concept is to reinforce high-hard (HH) steel armored doors used on some HMMWVs with a laminated, woven, high-tensile-strength glassfiber/...
Briefs Physical Sciences
AFRL’s Demonstration and Science Experiments Mission
A document describes the Air Force Research Laboratory's Demonstration and Science Experiments (DSX) mission, dedicated to research needed to advance the ability to operate spacecraft in the harsh radiation environment of medium earth orbit (MEO). The DSX spacecraft, to be launched in late 2009...
Briefs Information Technology
Multiscale Virtual Design and Testing of Materials
Progress has been made in research on several fronts in an effort to develop computational simulation capabilities for use in virtual design and testing of advanced structural materials. It is...
Briefs Electronics & Computers
Life Tests of a Microwave MEMS Capacitive Switch
Life tests have demonstrated the longevity of an electrostatically actuated capacitive switch of a microelectromechanical systems (MEMS) type suitable for handling radio signals having...
Briefs Physical Sciences
Measuring Corrosion-Related Properties of Coupled Metals
Amethod and apparatus have been conceived for using electrochemical impedance spectroscopy (EIS) for determining rates of corrosion of coupled metals. EIS has been used heretofore for...
Briefs Test & Measurement
Scaling of Flight Tests of Unmanned Air Vehicles
A program of research has addressed a methodology of scaling of flight tests of unmanned air vehicles (UAVs) intended primarily for military use in observing and/or attacking targets on the...
Briefs Manufacturing & Prototyping
Small-Scale Combustion-Chamber Testing Facility
A small-scale combustion-chamber testing facility has been designed and partly built for use in evaluating advanced combustor designs for future gas turbine engines. The specific model combustor...
Briefs Electronics & Computers
Interactive DataWall
The Interactive DataWall (IDW) is a computer-driven, high-definition display, large enough to be visible simultaneously to multiple observers, that presents information from multiple sources and exploits advanced techniques...
Briefs Electronics & Computers
Miniature Semiconductor Diodes as Pumps and Motors
Experiments have shown that when a miniature semiconductor diode floats in an aqueous solution and an alternating electric field is applied, (1) the diode rectifies the alternating potential...
Briefs Photonics/Optics
Optical-Fiber Infrasound Sensors
Optical-fiber infrasound sensors (OFISs) are being developed for detecting acoustic pressures in the frequency range from a few millihertz to a few hertz. As explained below, these sensors were conceived to...
Briefs Photonics/Optics
Study of Membrane Optics for Lightweight Space Telescopes
Astudy has been performed to establish a foundation for the analysis, design, and further development of inplane- actuated deformable membrane mirrors for lightweight spaceborne...
Briefs Medical
Implantable Electrochemical Sensors for Metabolic Monitoring
Arrays of electrochemical sensors that include specially coated (as described below) gold electrodes on flexible polyimide sheets have been fabricated and tested in a continuing...
Briefs Medical
Portable Simulator for Training in Robot-Assisted Surgery
Aportable apparatus is being developed as a means of training surgeons in robot-assisted surgery, including laparoscopic and other forms of minimally invasive surgery. The apparatus can be characterized as a virtual reality system that includes not only a computer and a visual display...
Briefs Physical Sciences
Imaging System for Characterizing Materials and Processes
Ahigh-performance digital imaging system has been assembled to provide enhanced capabilities for characterizing materials and processes. Highspeed imaging is needed for observation and analysis of such fast dynamic processes as impact fracture (including ballistically induced fracture) in...
Briefs Physical Sciences
Progress in Research on Bacteria-Powered Motors
Progress has been made on several fronts in research on biomotors and especially on microscopic motors powered by bacteria. The progress consists mostly of advances in the art of attaching motile bacterial cells to surfaces in specific, pre-designed microarrays.
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Battery Abuse Testing: Pushing to Failure
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