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Briefs: Imaging
Novel Hemispherical Dynamic Camera for EVAs
A novel optical design for imaging systems is able to achieve an ultra-wide field of view (UW-FOV) of up to 208°. The design uses an integrated optical design (IOD). The UW-FOV optics design reduces the wasted pixels by 49% when compared against the baseline fisheye lens. The IOD approach results in a...
Products
NK Technologies, San Jose, CA, has introduced the APN Series power monitoring sensor that measures three phases of current and voltage, and computes 14 values necessary to track power...
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Articles: Sensors/Data Acquisition
NASA runs and partners in many missions dedicated to monitoring the Earth, and the tools used in these missions continuously return data on everything from shifts in temperature, to cloud...
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Technology Report: Propulsion
Technical specialists retrofitted a MY2013 Ford Escape with Schaeffler technologies, and the payback is a double-digit-percentage fuel-economy improvement compared to the production...
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Features: Manufacturing & Prototyping
Substantial legal requirements result in complex functional specifications for implant manufacturers. From the design, including materials, through production, the complete process chain must be...
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Articles: Photonics/Optics
Spectroscopy techniques date back to Isaac Newton’s first studies of light and today provide researchers with a better understanding of what happens at the atomic and molecular level when matter interacts with light....
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Applications: Medical
One of the most promising surgical options for treating spinal injury and deterioration of spinal discs is the use of artificial discs to replace the patient’s natural...
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Applications: Medical
The complex technologies, chemistry, and regulations involved in manufacturing medical products have always made it one of the most challenging businesses. Yet, despite the...
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From the Editor: Medical
It was set to be the “next big thing”. Designed to aid patients suffering from resistive hypertension who failed to respond to conventional medical therapy, the stakes were huge for catheter-based...
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R&D: Medical
Cyborgs Are Already Here Cyborgs that combine machine systems with living organisms to have extraordinary abilities are already a reality say researchers at Karlsruhe Institute of Technology (KIT). This is especially...
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Briefs: Semiconductors & ICs
A high-temperature-capable widebandgap semiconductor power module package, coupled with a new high-temperature- capable bonding process (with...
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Briefs: Electronics & Computers
Methods for Mitigating Space Radiation Effects, Fault Detection and Correction, and Processing Sensor Data
The Integrated Modular Avionics (IMA) architecture being developed for space applications requires that sensor data be autonomously sampled and transmitted to the system network. This transmission needs to occur on a predetermined, fixed...
Briefs: Electronics & Computers
Quad First Stage Processor: A Four-Channel Digitizer and Digital Beam-Forming Processor
A 4-channel digitizer was designed, built, and tested. The very large, complex board enables SweepSAR. The proposed Deformation, Eco-Systems, and Dynamics of Ice Radar (DESDynl-R) Lband SAR instrument employs multiple digital channels to optimize resolution...
Briefs: Electronics & Computers
Compact Ka-Band Antenna Feed with Double Circularly Polarized Capability
NASA has an interest in utilizing the Ka-band frequency allocation. One of the main reasons for migrating to Kaband is the need for higher frequency bandwidth to enable higher data rates. A dual circular polarized wideband antenna for Ka-band communications applications was...
Technology Leaders: Tubing & Extrusion
Determining what tubing to use in a medical device involves considerable research. Designers must investigate ingredients, performance, documentation requirements, sterility, and other qualifying...
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Technology Leaders: Tubing & Extrusion
Minimally Invasive, Maximally Innovative: Polymer Science and Extrusion Plays Vital Role
William “Bill” Cook started Cook Medical out of a spare bedroom in his Bloomington, IN, apartment in 1963. It was where he and his wife, Gayle, made guide wires, guiding catheters, and other small devices used in diagnostic radiology.
Briefs: Robotics, Automation & Control
The antenna is composed of two main deployable structural components that help it achieve the large packing factor necessary to fit within the small volume of the CubeSat. The primary component of...
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Briefs: Robotics, Automation & Control
A metallic sleeve provides protection and guidance for the actuating lanyard pull of a parachute system reefing line cutter. This device ensures that the reefing line cutter is not damaged during...
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Briefs: Mechanical & Fluid Systems
Metabolic Heat Regenerated Temperature Swing Adsorption
Two fundamental problems facing the development of a portable system to sustain life on extraterrestrial surfaces are (1) heat rejection and (2) rejection of metabolically produced CO2 to an environment with a ppCO2 of 0.4 to 0.9 kPa as is present on Mars. Portable life support systems...
Briefs: Physical Sciences
Variable Camber Aerodynamic Control Surfaces and Active Wing Shaping Control
A new concept of aircraft aerodynamic control surfaces has been developed in connection with another new concept of active wing shaping control for reducing aircraft drag that will result in less fuel burn. The first concept is referred to as a variable camber continuous...
Briefs: Physical Sciences
In order to study atmospheric or evolved gases, it is highly advantageous for an instrument (e.g. mass spectrometer (MS), thermal conductivity detector (TCD)) to simplify the gas stream with a...
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Briefs: Software
360° Visual Detection and Object Tracking on an Autonomous Surface Vehicle
This software addresses the problem of an autonomous vehicle patrolling a region for objects of interest using multiple cameras. The system must identify and track the objects over time and localize their positions in the world. It implements an autonomous perception and...
Briefs: Physical Sciences
Simulation of Charge Carrier Mobility in Conducting Polymers
Electric conduction in polymers is one of the key elements in avoiding catastrophic internal electrostatic discharge in dielectrics during space missions. This software package enables the simulation of carrier mobility for any given site concentration, which is a material design...
Briefs: Software
Observational Data Formatter Using CMOR for CMIP5
The current software has been developed to work on NASA instrument datasets, an upgrade over similar software that only worked on datasets from climate model output. NASA is attempting to reformat satellite data to fit the specific and highly detailed data format and metadata requirements for CMIP5...
Briefs: Information Technology
Examination and A Priori Analysis of a Direct Numerical Simulation Database for High-Pressure Turbulent Flows
A previously created direct numerical simulation (DNS) database of mixing of species under supercritical pressure has been examined and analyzed for the purpose of understanding the modeling requirements in the context of large eddy...
Briefs: Information Technology
Propellant Loading Physics Model for Fault Detection Isolation and Recovery
A Fault Detection, Isolation and Recovery (FDIR) system needs some internal concept of how the monitored system operates. This “operating concept” needs mathematical logic to represent the cause and effect relationship between constituent components of the system,...
Application Briefs: Photonics/Optics
Hyperspectral imaging has grown increasingly popular over the past ten years in military, industrial, and scientific arenas. The ability to precisely characterize the color of a viewed item,...
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Briefs: Information Technology
Probabilistic Guidance for Swarms of Autonomous Agents
Available guidance approaches for large numbers (i.e., swarms) of artificial agents are currently very limited. Swarms in nature (e.g., bees, birds, ants) typically contain hundreds to thousands of agents. The problem is how to mimic nature, and develop guidance laws for artificial (manmade)...
Products: Photonics/Optics
Hexagon Metrology (North Kingston, RI) has released WLS qFLASH, a compact white light solution (WLS), a non-contact, stereo vision system used to quickly capture 3D measurements on the shop floor. The portable...
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Ask the Expert

Dan Sanchez on How to Improve Extruded Components
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Improving extruded components requires careful attention to a number of factors, including dimensional tolerance, material selection, and processing. Trelleborg’s Dan Sanchez provides detailed insights into each of these considerations to help you advance your device innovations while reducing costs and speeding time to market.

Inside Story

Inside Story: Trends in Packaging and Sterilization
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Eurofins Medical Device Testing (MDT) provides a full scope of testing services. In this interview, Eurofins’ experts, Sunny Modi, PhD, Director of Package Testing; and Elizabeth Sydnor, Director of Microbiology; answer common questions on medical device packaging and sterilization.