April 1, 2011 NASA Tech Briefs - April 2011 - Vol. 35 No. 4 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 Articles Engineering in the Cloud: From Simulation to Storage Who's Who Dr. Dale P. Cruikshank, Astronomer and Planetary Scientist, NASA Ames Research Center, Moffett Field, CA Application Briefs Software Helps NASA Design One of the Greenest Federal Buildings Tech Briefs Semiconductors & ICs High-Voltage-Input Level Translator Using Standard CMOS Small Microprocessor for ASIC or FPGA Implementation Source-Coupled, N-Channel, JFET-Based Digital Logic Gate Structure Using Resistive Level Shifters Monitoring Digital Closed-Loop Feedback Systems Information Sciences Evolutionary Computational Methods for Identifying Emergent Behavior in Autonomous Systems Sampling Theorem in Terms of the Bandwidth and Sampling Interval Spatial Query for Planetary Data Optimal Padding for the Two-Dimensional Fast Fourier Safe Onboard Guidance and Control Under Probabilistic Uncertainty Hidden Statistics of Schrödinger Equation Higher Order Mode Coupling in Feed Waveguide of a Planar Slot Array Antenna Meteoroid/Orbital Debris Shield Engineering Development Practice and Procedure Materials Commercialization of LARC™-SI Polyimide Technology Novel Low-Density Ablators Containing Hyperbranched Poly(azomethine)s Software MASCOT — MATLAB Stability and Control Toolbox MIRO Continuum Calibration for Asteroid Mode GOATS Image Projection Component Coded Modulation in C and MATLAB Manufacturing & Prototyping Low-Dead-Volume Inlet for Vacuum Chamber Infrared-Bolometer Arrays With Reflective Backshorts Method for Selective Cleaning of Mold Release From Composite Honeycomb Surfaces Thermal Control Method for High-Current Wire Bundles by Injecting a Thermally Conductive Filler Physical Sciences Two-Axis Direct Fluid Shear Stress Sensor for Aerodynamic Applications Target Assembly to Check Boresight Alignment of Active Sensors Internal Electrostatic Discharge Monitor — IESDM Self-Balancing, Optical-Center-Pivot, Fast-Steering Mirror Bio-Medical Hydrofocusing Bioreactor Produces Anti-Cancer Alkaloids A Miniaturized Video System for Monitoring Drosophila Behavior Electronics & Computers Amperometric Solid Electrolyte Oxygen Microsensors With Easy Batch Fabrication Virtual Sensor Test Instrumentation Evaluation of the Reflection Coefficient of Microstrip Elements for Reflectarray Antennas Miniaturized Ka-Band Dual-Channel Radar Radiation-Tolerant, SpaceWire-Compatible Switching Fabric Wireless Orbiter Hang-Angle Inclinometer System Products Products EX1200-1538 Multifunction I/O Card 2010 Product of the Year Winners Electromagnetic Simulation Software Modeling and Simulation Environment RTL Exploration Solution Automated Design Analysis software Photonics Tech Briefs Briefs Continuous-Integration Laser Energy Lidar Monitor n-B-pi-p Superlattice Infrared Detector Monolithic, High-Speed Fiber-Optic Switching Array for Lidar Radius of Curvature Measurement of Large Optics Using Interferometry and Laser Tracker Miniaturized Airborne Imaging Central Server System Creep Measurement Video Extensometer General Tool for Evaluating High-Contrast Coronagraphic Telescope Performance Error Budgets Applications Visible Imager Technology for Euclid’s Dark Energy Mission Articles Adhesives for Optical Assembly Products Fiber Laser Cutting System Infrared LEDs Spectral Reflectivity Measurement System Vibration Isolation Workstation Laser Power/Energy Sensor Shock Absorber f/#1.0 Athermalised LWIR Lens Pulsed Laser Driver Industrial Microscope Module Photodiode Detectors Single Fiber Assemblies XYZ Piezo Flexure Stage Inspection Station High Precision Aspheres Radiation-Hard Lens Industrial Femtosecond Lasers 10mm Waveplates DC to HV DC Converters Infrared Detectors Precision Optics Power Supplies 850nm VCSEL LC TOSA Thermal Imaging Camera Motion Control Technology Articles Motion Control Requirements for Medical Instruments Applications Motors Keep Telescope Operating in Record-Low Antarctic Temperatures Robots and Vision Combine for Accurate Sheet Metal Cutting Products Multi-Axis Servo Drive Motor-Control Module DC Gear Motors Accelerometer Planetary Gearheads Speed Controller Control Module Linear Stage and Driver Linear Stepper Motors Encoders View the discussion thread.