Magazine

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Tech Needs
Heating Different Zones of Food in a Microwave Oven
An organization seeks technology to enable foods to become crispy when heated in a home microwave oven. The outer surface should heat and become (or remain) crispy, while the interior body of the food should heat only as appropriate. The organization seeks materials, ingredients, or other...
Briefs: Physical Sciences
The Wing and Rotor Aeroelastic Test System (WRATS) data acquisition system (DAS) is a 64-channel data acquisition display and analysis system specifically designed for use with the WRATS 1/5-scale V-22...
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Briefs: Electronics & Computers
A recently developed breadboard version of an advanced signal processor for arraying many antennas in NASA's Deep Space Network (DSN) can accept inputs in a 500-MHz-wide frequency band from...
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Briefs: Electronics & Computers
The software of a commercially available digital radio receiver has been modified to make the receiver function as a two-channel low-noise phase meter. This phase meter is a prototype in the continuing development...
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Briefs: Semiconductors & ICs
A split-block waveguide circuit that rotates polarization by 90° has been designed with WR-3 input and output waveguides, which are rectangular waveguides used for a nominal...
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Briefs: Electronics & Computers
Nano- multiplication- region avalanche photodiodes (NAPDs), and imaging arrays of NAPDs integrated with complementary metal oxide/semiconductor (CMOS) active-pixel-sensor integrated...
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Briefs: Electronics & Computers
Bombardment with tightly focused electron beams has been suggested as a means of electrically disabling selected individual carbon-nanotubes (CNTs) in electronic devices. Evidence in...
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Briefs: Electronics & Computers
Coupling of light into and out of whispering- gallery-mode (WGM) optical resonators can be enhanced by designing and fabricating the resonators to have certain non- axisymmetric shapes...
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Briefs: Manufacturing & Prototyping
G3 Genuine Guide Gear (G3) of North Vancouver, British Columbia, Canada, is a specialized manufacturer of backcountry ski and safety equipment — including telemark bindings and...
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Briefs: Materials
LiCoPO4 has been found to be a promising active cathode material for high-energy-density, thin-film, rechargeable electrochemical power cells. The potential of the charge/discharge plateau of a...
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Briefs: Materials
Work output is comparable to conventional SMA alloys but with transition temperatures significantly exceeding those of conventional materials. Compositions and production processes have been...
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Briefs: Mechanical & Fluid Systems
Two methods of solving indeterminate structural-mechanics problems have been developed as products of research on the theory of strain compatibility. In these methods, stresses are considered...
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Briefs: Mechanical & Fluid Systems
Motor/generators based on conical magnetic bearings have been invented as an improved alternative to prior such machines based, variously, on radial and/or axial magnetic bearings. Both the present and prior...
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Briefs: Medical
A nanotube array based on vertically aligned nanotubes or carbon nanofibers has been invented for use in localized electrical stimulation and recording of electrical responses in...
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Briefs: Medical
Using Hyperspectral Imagery To Identify Turfgrass Stresses
The use of a form of remote sensing to aid in the management of large turfgrass fields (e.g. golf courses) has been proposed. A turfgrass field of interest would be surveyed in sunlight by use of an airborne hyperspectral imaging system, then the raw observational data would be preprocessed...
Briefs: RF & Microwave Electronics
A directional, catheter-sized cylindrical antenna has been developed for localized delivery of microwave radiation for heating (and thus killing) diseased tissue without excessively...
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Briefs: Physical Sciences
A method of shaping diffraction-grating grooves to optimize the spectral efficiency, spectral range, and image quality of a spectral imaging instrument is under development. The method...
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Briefs: Physical Sciences
A new technique for reducing errors in a laser-cooled cesium fountain frequency standard provides for strong suppression of the light shift without need for mechanical shutters....
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Briefs: Physical Sciences
A mathematical model of image artifacts produced by dust particles on lenses has been derived. Machinevision systems often have to work with camera lenses that become dusty during use. Dust particles...
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Briefs: Physical Sciences
Nanostructured devices that exploit the hybrid-polariton resonances arising from coupling among photons, phonons, and plasmons are subjects of research directed toward the development of...
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Briefs: Physical Sciences
A Raman-and-atomic-force microscope (RAFM) has been shown to be capable of performing several liquid-transfer and sensory functions essential for the operation of a microfluidic...
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Briefs: Information Technology
A closed-loop pattern-recognition system is designed to provide guidance for maneuvering a small exploratory robotic vehicle (rover) on Mars to return to a landed spacecraft to deliver...
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Briefs: Information Technology
Orchestrator Telemetry Processing Pipeline
Orchestrator is a software application infrastructure for telemetry monitoring, logging, processing, and distribution. The architecture has been applied to support operations of a variety of planetary rovers. Built in Java with the Eclipse Rich Client Platform, Orchestrator can run on most commonly used...
Briefs: Information Technology
Scheme for Quantum Computing Immune to Decoherence
A constructive scheme has been devised to enable mapping of any quantum computation into a spintronic circuit in which the computation is encoded in a basis that is, in principle, immune to quantum decoherence. The scheme is implemented by an algorithm that utilizes multiple physical spins to...
Articles: Imaging
Machine builders in this day and age are part of a fast-growing and rapidly changing industry sector. With vast improvements in commercial off-the-shelf products for...
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Articles: Manufacturing & Prototyping
A chromatic or color-corrected lenses for use in the visible portion of the electromagnetic spectrum have been addressed in literature, textbooks, and industry journals as early as the 18th Century. Many of...
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Application Briefs: Imaging
For more than 40 years, Italray srl (Florence, Italy) has manufactured radiological equipment for traditional and digital medical applications, as well as computer-assisted systems...
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Application Briefs: Imaging
The discovery of X-rays was first reported at the end of 1895 when Wilhelm Conrad Rontgen was conducting experiments with electrostatic charges and cathode ray tubes. In 2008, we have such...
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Products: Imaging
AZ Displays, Aliso Viejo, CA, has released the PD057VT1, a 5.7-inch digital active matrix TFT panel display. The PD057VT1 display is compatible with computer screen formats and has full Video Graphics Array/VGA (640 × 480 dot)...
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