May 1, 2009 NASA Tech Briefs - May 2009 - Vol. 32 No. 5 Here are links to this issue's Features, Tech Briefs, Products and more. You can download the complete issue, LOGIN TO DOWNLOAD Don't have an account? Sign up here. Subscribe to future issues. SUBSCRIBE Inside this issue Supplements Features Eye on Innovation Bringing Open Source Advantages to Engineering Application Briefs Alumina Ceramic “Dog Bone” Helps Chandra Detect High-Energy Events Communications System Supports the Ames Airspace Operations Lab Who's Who Nicholas Johnson, Chief Scientist and Program Manager for NASA’s Orbital Debris Program Office, Johnson Space Flight Center Articles Mechatronic System Integration and Design Tech Briefs Bio-Medical Biomedical Wireless Ambulatory Crew Monitor Physical Sciences Microstrip Antenna for Remote Sensing of Soil Moisture and Sea Surface Salinity Suppressing Ghost Diffraction in E-Beam-Written Gratings Two-Dimensional Quantum Model of a Nanotransistor Mo₃Sb₇₋ₓTeₓ for Thermoelectric Power Generation Expansion Compression Contacts for Thermoelectric Legs Manipulating Neutral Atoms in Chip-Based Magnetic Traps Criteria for Modeling in LES of Multicomponent Fuel Flow Polarimetric Imaging Using Two Photoelastic Modulators Modal Filters for Infrared Interferometry Manufacturing & Prototyping Fabricating PFPE Membranes for Microfluidic Valves and Pumps Fabricating PFPE Membranes for Capillary Electrophoresis Linear Actuator Has Long Stroke and High Resolution Installing a Test Tap on a Metal Battery Case Software Submillimeter Confocal Imaging Active Module Auto-Generated Semantic Processing Services Geospatial Authentication Maneuver Automation Software Event Driven Messaging With Role-Based Subscriptions Estimating Relative Positions of Outer-Space Structures Materials Room-Temperature-Cured Copolymers for Lithium Battery Gel Electrolytes Catalysts for Efficient Production of Carbon Nanotubes Amorphous Silk Fibroin Membranes for Separation of CO₂ Information Sciences Wireless Avionics Packet To Support Fault Tolerance for Flight Applications EOS MLS Level 1B Data Processing, Version 2.2 Physical Principle for Generation of Randomness Hybrid NN/SVM Computational System for Optimizing Designs DSN Beowulf Cluster-Based VLBI Correlator Processing Electromyographic Signals To Recognize Words Associative Memory Using Quantum-Inspired Resonance Mechanics & Machinery Radial-Electric-Field Piezoelectric Diaphragm Pumps Ejector-Enhanced, Pulsed, Pressure-Gain Combustor “Zero-Mass” Noninvasive Pressure Transducers Computerized Machine for Cutting Space Shuttle Thermal Tiles Orbiting Depot and Reusable Lander for Lunar Transportation Electronics & Computers Valve-“Health”-Monitoring System Aerobot Autonomy Architecture Traveling-Wave Maser for 32 GHz System Synchronizes Recordings From Separated Video Cameras Piecewise-Planar Parabolic Reflectarray Antenna Reducing Interference in ATC Voice Communication FPGA-Based Networked Phasemeter for a Heterodyne Interferometer Aquarius Digital Processing Unit Products 2D and 3D Design and Engineering Software Photonics Tech Briefs LOGIN TO DOWNLOAD Subscribe to future issues. SUBSCRIBE Briefs Scanning Miniature Microscopes Without Lenses Target-Tracking Camera for a Metrology System Miniature Wide-Angle Lens for Small-Pixel Electronic Camera Polarimetric Imaging Using Two Photoelastic Modulators Modal Filters for Infrared Interferometry Applications Using Hollow Core Plastic Bragg Fiber to Deliver Ultrashort Pulse Laser Beams Articles Treating Retinal Disease with FPGA Controlled Lasers Products Product of the Month: Soft X-Ray EUV Spectrometer Benchtop Optical Meter Near-Infrared Photodetectors Eye-Safe Laser Illuminator Supercontinuum Fiber Laser Imaging Spectrometer Variable Angle Tilt Stage Clear Aperture Beam Collimator X-Ray Photodiode Pavement Profiling Sensor UV Curable Adhesive Optomechanical Design Software Digital X-Ray Detectors 4-inch Fizeau Interferometer Laser Diode Mounting Fixtures Embedded Technology LOGIN TO DOWNLOAD Subscribe to future issues. SUBSCRIBE Products Audio Enrichment Technology DSP Library Energy Harvesting Development Platform Static-Analysis Tool Safety-Certifiable Messaging Middleware USB Data Acquisition Board Virtual Software Development Platform Tiny DC/DC Converter Pressure Indicating Sensor Film Desktop Networking Platforms EMI Filter Software Verification Plug-In RTU Datalogger Applications New Small Form Factor Storage Standard Targets Embedded Systems Articles Patient Monitoring Using Capacitive Sensors Designing Flexible Printed Circuit Boards Software Development for Low Power Designs Topics: View the discussion thread.