Stories

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Briefs: Mechanical & Fluid Systems
The figure presents a cross-sectional view of a supercharged, variable-compression, two-cycle, internal-combustion engine that offers significant advantages over prior such engines. The improvements are...
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Briefs: Mechanical & Fluid Systems
Flexible Structural-Health-Monitoring Sheets
A generic design for a type of flexible structural- health- monitoring sheet with multiple sensor/actuator types and a method of manufacturing such sheets has been developed. A sheet of this type contains an array of sensing and/or actuation elements, associated wires, and any other associated circuit...
Briefs: Robotics, Automation & Control
The design, fabrication, and microgravity flight-testing are part of a continuing development of palm-sized mobile robots that resemble spiders (except that they have six legs apiece, whereas a spider...
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Briefs: Mechanical & Fluid Systems
Advanced Active-Magnetic-Bearing Thrust-Measurement System
An advanced thrust-measurement system utilizes active magnetic bearings to both (1) levitate a floating frame in all six degrees of freedom and (2) measure the levitation forces between the floating frame and a grounded frame. This system was developed for original use in measuring the...
Briefs: Mechanical & Fluid Systems
Thermally actuated hydraulic pumps have been proposed for diverse applications in which direct electrical or mechanical actuation is undesirable and the relative slowness of thermal actuation can be tolerated....
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Briefs: Medical
Purifying Nucleic Acids From Samples of Extremely Low Biomass
A new method is able to circumvent the bias to which one commercial DNA extraction method falls prey with regard to the lysing of certain types of microbial cells, resulting in a truncated spectrum of microbial diversity. By prefacing the protocol with glass-bead-beating agitation...
Articles: Imaging
Thermographic imaging is accomplished with a camera that converts infrared radiation (IR) into a visual image that depicts temperature variations across an object or scene. The main IR...
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Briefs: Medical
The term “Multi-Angle and Rear Viewing Endoscopic tooL” (MARVEL) denotes an auxiliary endoscope, now undergoing development, that a surgeon would use in conjunction...
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Application Briefs: Imaging
The use of geo-referenced imagery across the Internet is becoming prevalent thanks to the development of Web-based location servers such as Google Earth,...
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Briefs: Packaging & Sterilization
UV-Resistant Non-Spore-Forming Bacteria From Spacecraft-Assembly Facilities
Four species of non-spore-forming bacteria collected from clean-room surfaces in spacecraft-assembly facilities could survive doses of ultraviolet (UV) radiation that would suffice to kill most known cultivable bacterial species. In a previous study, high UV resistance was...
Briefs: Test & Measurement
An alternative approach to apertureless near- field optical spectroscopy involving an atomic-force microscope (AFM) entails less complexity of equipment than does a prior approach. The...
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Products: Imaging
Pleora Technologies, Ottawa, ON, Canada, has introduced the iPORT NTx-Mini in-camera IP Engine for Gigabit Ethernet (GigE) connectivity. It enables image streaming at the full GigE rate, and features a 42 × 42-mm form...
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Briefs: Physical Sciences
A method of simplified computational modeling of oxidation of hydrocarbons is undergoing development. This is one of several developments needed to enable accurate computational simulation of...
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Products: Imaging
The uEye® Gigabit Ethernet (GigE) USB camera from IDS Imaging Development Systems, Cambridge, MA, is designed for machine vision and image processing applications. Cable lengths of up to 100 meters are possible. The...
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Briefs: Physical Sciences
Hard-X-Ray/Soft-γ-Ray Imaging Sensor Assembly for Astronomy
An improved sensor assembly has been developed for astronomical imaging at photon energies ranging from 1 to 100 keV. The assembly includes a thallium-doped cesium iodide scintillator divided into pixels and coupled to an array of high-gain avalanche photodiodes (APDs). Optionally, the...
Products: Imaging
PixeLINK, Ottawa, ON, Canada, has introduced the PL-B761 monochrome and PL-B762 color wide-VGA cameras that feature a global shutter CMOS sensor providing 60 frames per second at a resolution of 752 × 480 pixels. The 1⁄3"...
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Briefs: Test & Measurement
Hyperspectral Fluorescence and Reflectance Imaging Instrument
The system is a single hyperspectral imaging instrument that has the unique capability to acquire both fluorescence and reflectance high-spatial-resolution data that is inherently spatially and spectrally registered. Potential uses of this instrument include plant stress monitoring,...
Products: Imaging
The NI Vision Development Module from National Instruments, Austin, TX, consists of image processing and machine vision functions for various programming languages. It lets users enhance images, check for presence,...
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Briefs: Physical Sciences
A system that comprises optical and electronic subsystems has been developed as an infrastructure for a spectroradiometer that measures time- dependent spectral radiance of the daylight sky,...
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Products: Imaging
The M7816 Dual Vision thermal imaging camera from Mikron Infrared, Oakland, NJ, is designed for radiometric thermal imaging and features a 160 × 120 pixel resolution, 3.5" display, temperature ranges from -40 to 500°C,...
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Briefs: Software
Toward Better Modeling of Supercritical Turbulent Mixing
A study was done as part of an effort to develop computational models representing turbulent mixing under thermodynamic supercritical (here, high pressure) conditions. The question was whether the large-eddy simulation (LES) approach, developed previously for atmospheric-pressure...
Products: Imaging
Sensors Unlimited, Goodrich Corp., Princeton, NJ, offers the LC Series shortwave infrared linear photodiode array for imaging applications from 0.9 microns to 2.6 microns. The device features no moving parts, integration into...
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Briefs: Sensors/Data Acquisition
An alternative approach has been devised for encoding image data in compliance with JPEG 2000, the most recent still-image data- compression standard of the Joint Photographic Experts Group....
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Products: Imaging
BAP Image Systems, Fort Worth, TX, offers 100-MHz digital grayscale camera electronics that provide up to 600 dpi resolution, 12-bit processing and image output, adjustable line length, selectable working frequency, and...
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Briefs: Electronics & Computers
An intelligent integrated health management system (IIHMS) incorporates major improvements over prior such systems. The particular IIHMS is implemented for any system defined as a...
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Products: Imaging
Sony Electronics, Park Ridge, NJ, has released the XCI Series Smart Cameras for machine vision applications that include color capabilities. The four new cameras are offered in VGA and SXGA resolutions, in color or...
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Briefs: Information Technology
Delay Banking for Managing Air Traffic
Delay banking has been invented to enhance air-traffic management in a way that would increase the degree of fairness in assigning arrival, departure, and en-route delays and trajectory deviations to aircraft impacted by congestion in the national airspace system. In delay banking, an aircraft operator...
Products: Imaging
Lumenera Corp., Ottawa, ON, Canada, offers the Lm085 mini CMOS USB 2.0 camera for industrial applications with high-contrast-light scenes, tight space constraints, and rugged environmental conditions. The camera can be used in...
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Briefs: Software
Constrained fitting for airfoil curvature smoothing (CFACS) is a spline-based method of interpolating airfoil surface coordinates (and, concomitantly, airfoil thicknesses) between specified discrete...
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