December 2008

Blog
Secrets of Superconductivity

Researchers at the National Institute of Standards and Technology (NIST) are decoding the mysterious mechanisms behind high-temperature superconductors that industry hopes will be used in next-generation systems for storing, distributing, and using electricity. At temperatures approaching absolute zero, many...

Briefs: Green Design & Manufacturing
Electrocatalytic Reduction of Carbon Dioxide to Methane

A room-temperature electrocatalytic process has been investigated as a means of removing carbon dioxide from air and restoring oxygen to the air. The process was originally intended for...

Articles: Robotics, Automation & Control
Flowmeters Are Not All Alike

When it comes to choosing a flowmetering device, some users assume “one size fits all.” In reality, there are significant differences between flowmeter types, and each design has its unique “pros and...

Briefs: Electronics & Computers
Oxide Fiber Cathode Materials for Rechargeable Lithium Cells

Fibers have been investigated at Johnson Space Center as alternatives to other powders used as lithium-intercalation compounds in cathodes of rechargeable lithium-ion electrochemical cells. The fibers can be pressed and sintered to form a cathode, without need for a binder or a...

For over a hundred years, machine parts composed of mechanical carbon have provided an alternative solution in applications where temperature and atmosphere conditions prevent the use of...

Briefs: Energy
Electromagnetically Clean Solar Arrays
The term “electromagnetically clean solar array” (EMCSA) refers to a panel that contains a planar array of solar photovoltaic cells. The cells are laminated with shielding, narrow-current-loop wiring, and structural supports. EMCSAs could be useful in applications that require limited electromagnetic interference.
Application Briefs: Robotics, Automation & Control
Computational Fluid Dynamics Aids Aerospace Apps

Just a few years ago, the use of computational fluid dynamics (CFD) in most aerospace companies was restricted to pure research or troubleshooting problems with existing designs. But in the...

Briefs: Green Design & Manufacturing
System for Removing Pollutants From Incinerator Exhaust

A system for removing pollutants - primarily sulfur dioxide and mixed oxides of nitrogen - from incinerator exhaust has been demonstrated at Johnson Space Center. The system is also designed secondarily to remove particles, hydrocarbons, and CO, and is intended for use in an enclosed...

Products: Robotics, Automation & Control
Thin Motor

The MigaOne™ motor from Miga Motor Company (Berkeley, CA) is a powerful but lightweight linear actuator built directly onto a PCB substrate. Now being adapted for use by NASA and Boeing, the wafer-thin motor is smaller than a...

Products: Robotics, Automation & Control
Heavy-Duty Slide

The HepcoMotion HDS2 from Bishop-Wisecarver (Pittsburg, CA), offers system capacities up to 68kN, and adds new bearing sizes including a 150mm diameter vee bearing and a 144mm diameter taper roller bearing. Maximum single...

Products: Robotics, Automation & Control
Hose Products Quick Reference Guide

Parker Hannifin Corp. (Wickliffe, OH) has released a new Hose products Division Quick Reference Guide (Bulletin 4400-B13) describing the division’s hydraulic, Push-Lok®, suction and return,...

Products: Robotics, Automation & Control
Ball Valve

Hayward Flow Control Systems (Clemmons, NC, has announced a line of compact ball valves for a wide range of heavy duty chemical, water, and wastewater applications. The QVC and QTA series ball valves feature a rugged, all-plastic...

Products: Robotics, Automation & Control
Digital Pump Drives

The Masterflex L/S digital pump drive from Cole-Parmer (Vernon Hills, IL) has a high-contrast LCD graphical interface that eases setup and operation. The LCD shows four operating modes: continuous run, timed dispense,...

Products: Robotics, Automation & Control
Positioning Drive

For space-restricted position and speed control applications, Baumer Ltd. (Southington, CT) has introduced a line of FlexiDrive positioning drives, which integrate absolute encoders with an assortment of motors, drives,...

Products: Robotics, Automation & Control
Rotary Stage

The model DT 65-LM rotary stage from Steinmeyer, Inc. (Burlington, MA) measures a low 25mm high and 105mm long. It weighs only 0.35kg, but can support loads up to 80Newtons. Driven by a piezo linear motor, the stage has a...

Products: Robotics, Automation & Control
Servo Drives

The SV Series servo drives from Applied Motion Products (Watsonville, CA) are compact 5.0 × 3.0 × 1.75in. programmable OEM servo drives designed to make servo systems an option in applications that could benefit from their...

Products: Robotics, Automation & Control
Solenoid Valves

The 310/410 series solenoid valve from Humphrey Products Co. (Kalamazoo, MI) is a compact 1/8-in., ported 3-way and 4-way, direct- acting solenoid valve that provides high reliability in various pneumatic applications. The...

Features: Green Design & Manufacturing
NASA Study Shows How Oil Production Impacts Climate

When and how global oil production will peak has been debated, making it difficult to anticipate emissions from the burning of fuel and to precisely estimate its impact on the climate. To...

Products: Robotics, Automation & Control
Borst Adapters

Qosina (Edgewood, NY) announces a series of tuohy borst adapters. These three adapters comprise a PVC body with a Triax® (ABS/nylon) cap. The silicone gasket is chemically resistant, prevents backflow of fluids and secures...

Products: Robotics, Automation & Control
Linear Actuator

The QLZE / QSZE / QST-KE) modular linear actuator from Nook Industries (Cleveland, OH) has a stainless steel cover band that wraps over the square aluminum profiles – creating an optimal solution to combat caustic wash-down issues. The stainless steel housing also protects the aluminum profile from exposure to damage due to...

Products: Robotics, Automation & Control
Piezo Amplifier Module

The E-617 high-power piezo amplifier from Physik Instrumente (Auburn, MA) is suited for high-dynamic switching and scanning applications. Its innovative efficient circuitry based on energy recovery technology reduces...

Products: Robotics, Automation & Control
Linear Indexing Drive

The RS indexing drive from Amacoil (Aston, PA) is available in seven sizes to meet axial thrust requirements from 22 to 450 pounds. The drive is available in five different linear pitch settings. The model RS linear...

Products: Robotics, Automation & Control
Motor Feedback System

Sick Stegmann Inc. (Dayton, OH) has available a new Guide to Motor Feedback Systems for Electric Drives. The guide provides an overview of Sick Stegmann’s motor feedback systems for high precision speed and position...

Products: Robotics, Automation & Control
Motion Control Processor

The Magellan motion control processor from Performance Motion Devices, Inc. (Lincoln, MA) comes in one, two, three, and four-axis chip set versions that can control DC brush, brushless DC, micro stepping, and pulse &...

Products: Robotics, Automation & Control
I/O Module

Holjeron (Tualatin, OR) has introduced the Aqua Series I/O modules for DeviceNet™. The module is designed for outdoor use in temperatures as low as -30 C and as high as 70 C. They are available in four analog input, four analog...

Briefs: RF & Microwave Electronics
Crew Activity Analyzer

The crew activity analyzer (CAA) is a system of electronic hardware and software for automatically identifying patterns of group activity among crew members working together in an office, cockpit, workshop, laboratory,...

Briefs: Software
Distributing Data to Hand-Held Devices in a Wireless Network

ADROIT is a developmental computer program for real-time distribution of complex data streams for display on Web-enabled, portable terminals held by members of an operational team of a spacecraft-command- and-control center who may be located away from the center. Examples of such...

A method of incorporating information, acquired by a multibeam laser or radar altimeter system, pertaining to the distance and direction between the system and a nearby target...

Briefs: Information Technology
MODIS Atmospheric Data Handler

A number of science data sets are derived from the observations of the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument onboard NASA’s Terra and Aqua satellites. These data typically contain information on retrieval techniques, quality-control flags, and geo-referencing information. These...

With increased digitalization in the field of industrial image processing, the industry sometimes rashly writes off conventional technologies. In actuality, many...

Briefs: Information Technology
Reducing Surface Clutter in Cloud Profiling Radar Data

An algorithm has been devised to reduce ground clutter in the data products of the CloudSat Cloud Profiling Radar (CPR), which is a nadir-looking radar instrument, in orbit around the Earth, that measures power backscattered by clouds as a function of distance from the instrument. Ground...

Briefs: Imaging
Advanced Land Imager Assessment System

The Advanced Land Imager Assessment System (ALIAS) supports radiometric and geometric image processing for the Advanced Land Imager (ALI) instrument onboard NASA’s Earth Observing-1 (EO-1) satellite. ALIAS consists of two processing subsystems for radiometric and geometric processing of the ALI’s...

Prototype logic gates made of n-channel junction field-effect transistors (JFETs) and epitaxial resistors have been demonstrated, with a view toward eventual implementation of...

Briefs: Imaging
Delivering Images for Mars Rover Science Planning

A methodology has been developed for delivering, via the Internet, images transmitted to Earth from cameras on the Mars Explorer Rovers, the Phoenix Mars Lander, the Mars Science Laboratory, and the Mars Reconnaissance Orbiter spacecraft. The images in question are used by geographically...

Briefs: Electronics & Computers
Spaceborne Hybrid-FPGA System for Processing FTIR Data

Progress has been made in a continuing effort to develop a spaceborne computer system for processing readout data from a Fourier-transform infrared (FTIR) spectrometer to reduce the volume of data transmitted to Earth. The approach followed in this effort, oriented toward reducing design...

Products: Imaging
X-Ray Camera

Andor Technology, South Windsor, CT, offers the iKon-M x-ray camera available in two models: the DO and DY. The DO interfaces with vacuum chambers, and the DY is a standalone camera with a beryllium input window. The cameras...

Briefs: Electronics & Computers
FPGA Coprocessor for Accelerated Classification of Images

An effort related to that described in the preceding article focuses on developing a spaceborne processing platform for fast and accurate onboard classification of image data, a critical part of modern satellite image processing. The approach again has been to exploit the versatility of...

Products: Imaging
Digital Video Recorder

NorPix, Montreal, QE, Canada, has released a small-form-factor video recorder for airborne applications. The system is GigE Vision and IEEE 1394B compatible, and records with two HDTV or GigE Vision cameras...

Briefs: Electronics & Computers
SiC JFET Transistor Circuit Model for Extreme Temperature Range

A technique for simulating extreme-temperature operation of integrated circuits that incorporate silicon carbide (SiC) junction field-effect transistors (JFETs) has been developed. The technique involves modification of NGSPICE, which is an open-source version of the popular...

Products: Imaging
FPGA Vision Platform

4DSP, Reno, NV, offers the FM577 FPGA platform for vision systems based on a dual ALTERA® Cyclone III FPGA device architecture for data acquisition and processing. It also features the EP3C40 for...

In an alternative to a prior technique of time-domain- reflectometry (TDR) in which very short excitation pulses are used, the pulses have very short rise and fall times and the pulse...

Products: Imaging
CCTV Conversion Software

Avocado Security, Fairfax, VA, has introduced Avocado Express 2.0, a security and business intelligence optimization platform that provides security images by taking the video images from surveillance cameras and translating them into intelligent business data and statistics. It can convert video images from existing...

Articles: Electronics & Computers
Creating and Deploying a Drop-in Network

Companies are constantly looking for ways to monitor and track the critical device information that resides in their remote assets. They also need to understand the environments in which their devices...

Briefs: Electronics & Computers
Update on Development of SiC Multi-Chip Power Modules

Progress has been made in a continuing effort to develop multi-chip power modules (SiC MCPMs). This effort at an earlier stage was reported in “SiC Multi-Chip Power Modules as Power-System Building Blocks” (LEW-18008-1), NASA Tech Briefs, Vol. 31, No. 2 (February 2007), page 28.

Products: Imaging
Vision-Equipped Robots

FANUC Robotics America, Rochester Hills, MI, has introduced the LR Mate 200iC/5H, the M-430iA/2F, and the M-710iC robots equipped with iRVision® built-in robotic vision. The LR Mate 200iC/5H is designed for...

Briefs: Electronics & Computers
Radio Ranging System for Guidance of Approaching Spacecraft

A radio communication and ranging system has been proposed for determining the relative position and orientations of two approaching spacecraft to provide guidance for docking maneuvers. On Earth, the system could be used similarly for guiding approaching aircraft and for automated...

Products: Imaging
Smart Cameras

National Instruments, Austin, TX, has introduced the NI 1744, NI 1762, and NI 1764 smart cameras for embedded machine vision applications. Powered by a 533-MHz PowerPC, the 1744 cameras feature a high-resolution image...

Briefs: Electronics & Computers
Improved Short-Circuit Protection for Power Cells in Series

A scheme for protection against short circuits has been devised for series strings of lithium electrochemical cells that contain built-in short-circuit protection devices, which go into a high-resistance, current-limiting state when heated by excessive current. If cells are simply...

Products: Imaging
Machine Vision Software

PPT Vision, Eden Prairie, MN, has introduced IMPACTTM Software Suite Version 8.0 machine vision software. New features include the ability to drag and drop tools and controls, snap-to-grid alignment on the control panel canvas, and easy data linking between vision tools and controls. The IMPACT Vision Program Manager...

Briefs: Electronics & Computers
Communication Limits Due to Photon-Detector Jitter

A theoretical and experimental study was conducted of the limit imposed by photon-detector jitter on the capacity of a pulse-position- modulated optical communication system in which the receiver operates in a photon-counting (weak-signal) regime. Photon-detector jitter is a random delay between...

Briefs: Electronics & Computers
Electromagnetically Clean Solar Arrays

The term “electromagnetically clean solar array” (“EMCSA”) refers to a panel that contains a planar array of solar photovoltaic cells and that, in comparison with a functionally equivalent solar-array panel of a type heretofore used on spacecraft, (1) exhibits less electromagnetic interference to...

A method of (1) sealing a sample of material acquired in a possibly biologically contaminated (“dirty”) environment into a hermetic container, (2) sterilizing the outer surface of...

Briefs: Manufacturing & Prototyping
System for Removing Pollutants From Incinerator Exhaust

A system for removing pollutants — primarily sulfur dioxide and mixed oxides of nitrogen (NOx) — from incinerator exhaust has been demonstrated. The system is also designed secondarily to remove particles, hydrocarbons, and CO. The system is intended for use in an enclosed...

Coded optic mask foil
Dynamics Research Corp. (DRC)
Andover, MA
978-475-9090
www.drc.com

The High Energy Transient Explorer (HETE-2)...

Application Briefs: Communications
System Provides Critical Communications Among Stennis Rocket Test Team Members
Subsystem Multiplexer (Sub-MUX)
Quintron Systems
Santa Maria, CA
805-928-4343
www.quintron.com

NASA has awarded Quintron Systems an Indefinite-Delivery- Indefinite-Quantity (IDIQ) contract, and the first task order is for a command and...

As NASA evolves its vision for space exploration and Earth science, greater demands are placed on advanced communications...

Products
Model 3390

Keithley Instruments, Cleveland, OH, has introduced the Model 3390 50- MHz arbitrary waveform/function generator, a programmable signal generator with function, pulse, and arbitrary waveform capabilities. Features include 50-MHz...

In March 2008, astronaut Garrett Reisman flew aboard the Space Shuttle Endeavour to the International Space Station, where he spent 95 days living and working in space. After...

Briefs: Software
Converting EOS Data From HDF-EOS to netCDF

A C-language computer program accepts, as input, a set of scientific data and metadata from an Earth Observing System (EOS) satellite and converts the set from (1) the format in which it was created and delivered to (2) another format for processing and exchange of data on Earth. The first-mentioned...

Briefs: Software
HDF-EOS 2 and HDF-EOS 5 Compatibility Library

The HDF-EOS 2 and HDF-EOS 5 Compatibility Library contains C-language functions that provide uniform access to HDF-EOS 2 and HDF-EOS 5 files through one set of application programming interface (API) calls. (“HDF-EOS 2” and “HDF-EOS 5” are defined in the immediately preceding article.)...

Techs for License
Page-Rendering Software for eBooks and Manufacturers

Rapidly evolving eBook technology promises to deliver books, catalogs, newspapers, or magazines anywhere electronically on compact, easy-to-carry readers. eBooks face challenges that physical books do not: file security during transmission, speed of transmission, and the risk of piracy. The...

Techs for License
Anti-Reflective Coating for Films

Able to withstand abrasion even with steel wool, these antireflective coating formulations for display applications offer high durability and reflectivity that ranges from 1.2% down to 0.5%. Reducing ambient light reflectance significantly improves image clarity on LCD and PDP displays and rearprojection...

Briefs: Software
HDF-EOS Web Server

A shell script has been written as a means of automatically making HDF-EOS-formatted data sets available via the World Wide Web. (“HDF-EOS” and variants thereof are defined in the first of the two immediately preceding articles.) The shell script chains together some software tools developed by the Data Usability Group at...

Tech Needs
Masking of Bitter Ingredients

A company seeks technology to mask ingredient bitterness in its oral delivery system. Specifically, it seeks materials and/or methods to increase the ability of their oral delivery mechanism to carry a given ingredient, while removing any associated bitterness. Possible solution areas include masking bitter...

Briefs: Software
HDF-EOS 5 Validator

A computer program partly automates the task of determining whether an HDF-EOS 5 file is valid in that it conforms to specifications for such characteristics as attribute names, dimensionality of data products, and ranges of legal data values. [“HDF-EOS” and variants thereof are defined in “Converting EOS Data From...

Briefs: Software
XML DTD and Schemas for HDF-EOS

An Extensible Markup Language (XML) document type definition (DTD) standard for the structure and contents of HDF-EOS files and their contents, and an equivalent standard in the form of schemas, have been developed. (“HDF-EOS” and variants thereof are defined in the first two of four related articles...

Briefs: Software
Converting From XML to HDF-EOS

A computer program recreates an HDF-EOS file from an Extensible Markup Language (XML) representation of the contents of that file. (“HDF-EOS” and variants thereof are defined in the first of five related articles that immediately precede this article.) This program is one of two programs written to enable...

Briefs: Software
Simulating Attitudes and Trajectories of Multiple Spacecraft

A computer program called “42” simulates the attitudes and trajectories of multiple spacecraft flying in formation anywhere in the Solar System. The rotational dynamics are represented by high-fidelity models of spacecraft, each comprising as many as three connected rigid bodies...

Tech Needs
Alternative Approaches to Basis Weight Reduction in Paper

A company seeks technology to replace wood fiber in paper with a bulk filler material having less mass. The company seeks to make small, micron-scale, low-density particles. The filler material would have no negative impact on today’s lightweight paper specifications, including bulk...

Briefs: Information Technology
Specialized Color Function for Display of Signed Data

This Mathematica script defines a color function to be used with Mathematica’s plotting modules for differentiating data attaining both positive and negative values. Positive values are shown as shades of blue, and negative values are shown in red. The intensity of the color reflects the...

Briefs: Software
Delivering Alert Messages to Members of a Work Force

Global Alert Resolution Network (GARNET) is a software system for delivering emergency alerts as well as less-urgent messages to members of the Goddard Space Flight Center work force via an intranet or the Internet, and can be adapted to similar use in other large organizations. Messages can...

Briefs: Materials
Oxide Fiber Cathode Materials for Rechargeable Lithium Cells

LiCoO2 and LiNiO2 fibers have been investigated as alternatives to LiCoO2 and LiNiO2 powders used as lithium-intercalation compounds in cathodes of rechargeable lithium-ion electrochemical cells. In making such a cathode, LiCoO2 or...

Briefs: Materials
Electrocatalytic Reduction of Carbon Dioxide to Methane

A room-temperature electrocatalytic process that effects the overall chemical reaction CO2 + 2H2O → CH4 + 2O2 has been investigated as a means of removing carbon dioxide from air and restoring oxygen to the air. The process was originally...

Briefs: Materials
Progress Toward Making Epoxy/Carbon-Nanotube Composites

A modicum of progress has been made in an effort to exploit single-walled carbon nanotubes as fibers in epoxy-matrix/fiber composite materials. Two main obstacles to such use of carbon nanotubes are the following: (1) bare nanotubes are not soluble in epoxy resins and so they tend to...

A heterogeneous material construction has been devised for sensing coils of super-conducting quantum interference device (SQUID) magnetometers that are subject to a combination of...

Briefs: Materials
Predicting Properties of Unidirectional-Nanofiber Composites

A theory for predicting mechanical, thermal, electrical, and other properties of unidirectional-nanofiber/matrix composite materials is based on the prior theory of micromechanics of composite materials. In the development of the present theory, the prior theory of micromechanics was...

Briefs: Mechanical & Fluid Systems
Deployable Crew Quarters

The deployable crew quarters (DCQ) have been designed for the International Space Station (ISS). Each DCQ would be a relatively inexpensive, deployable box-like structure that is designed to fit in a rack bay. It is to be occupied by one crewmember to provide privacy and sleeping functions for the crew. A DCQ comprises...

Briefs: Mechanical & Fluid Systems
Nonventing, Regenerable, Lightweight Heat Absorber

A lightweight, regenerable heat absorber (RHA), developed for rejecting metabolic heat from a space suit, may also be useful on Earth for short-term cooling of heavy protective garments. Unlike prior space-suit-cooling systems, a system that includes this RHA does not vent water. The closed...

Briefs: Mechanical & Fluid Systems
“Bootstrap” Configuration for Multistage Pulse-Tube Coolers

A “bootstrap” configuration has been proposed for multistage pulse-tube coolers that, for instance, provide final-stage cooling to temperatures as low as 20 K. The bootstrap configuration supplants the conventional configuration, in which customarily the warm heat exchangers of...

Briefs: Mechanical & Fluid Systems
Miniature High-Force, Long-Stroke SMA Linear Actuators

Improved long-stroke shape-memory-alloy (SMA) linear actuators are being developed to exert significantly higher forces and operate at higher activation temperatures than do prior SMA actuators. In these actuators, long linear strokes are achieved through the principle of displacement...

Briefs: Mechanical & Fluid Systems
Reducing Liquid Loss During Ullage Venting in Microgravity

A centripetal-force-based liquid/gas separator has been proposed as a means of reducing the loss of liquid during venting of the ullage of a tank in microgravity as a new supply of liquid is pumped into the tank. Centripetal-force-based liquid/gas separators are used on Earth, where...

To ensure a system’s accuracy meets required needs, system error budgets must be an integral part of system design. Considerations should include necessary levels of accuracy for system...

Briefs: Electronics & Computers
Ka-Band Transponder for Deep-Space Radio Science

A one-page document describes a Ka-band transponder being developed for use in deep-space radio science. The transponder receives in the Deep Space Network (DSN) uplink frequency band of 34.2 to 34.7 GHz, transmits in the 31.8 to 32.3 GHz DSN downlink band, and performs regenerative ranging on a...

Briefs: Electronics & Computers
Replication of Space-Shuttle Computers in FPGAs and ASICs

A document discusses the replication of the functionality of the onboard space-shuttle general-purpose computers (GPCs) in field-programmable gate arrays (FPGAs) and application-specific integrated circuits (ASICs). The purpose of the replication effort is to enable utilization of proven...

Briefs: Mechanical & Fluid Systems
Demisable Reaction-Wheel Assembly

A document discusses the concept of a demisable motor-drive-and-flywheel assembly [reaction-wheel assembly (RWA)] used in controlling the attitude of a spacecraft. “Demisable” as used here does not have its traditional legal meaning; instead, it signifies susceptible to melting, vaporizing, and/or otherwise...

Briefs: Information Technology
Spatial and Temporal Low-Dimensional Models for Fluid Flow

A document discusses work that obtains a low-dimensional model that captures both temporal and spatial flow by constructing spatial and temporal four-mode models for two classic flow problems. The models are based on the proper orthogonal decomposition at two reference Reynolds numbers....

Briefs: Imaging
Range Imaging Without Moving Parts

Range-imaging instruments of a type now under development are intended to generate the equivalent of three-dimensional images from measurements of the round-trip times of flight of laser pulses along known directions. These instruments could also provide information on characteristics of targets, including...

Podcasts
Garrett Reisman, Astronaut, NASA Johnson Space Center, Houston, TX

In March 2008, astronaut Garrett Reisman flew aboard the Space Shuttle Endeavour to the International Space Station, where he spent 95 days living and working in space. After performing his first spacewalk to help install the Space Station’s new robotic manipulator, called...

Blog
Supercomputing

Five years ago, Virginia Tech burst onto the high-performance computing scene using Apple Power Mac G5 computers to build System X, one of the fastest supercomputers of its time. Recently, Kirk Cameron and Srinidhi Varadarajan, two professors of computer science in Virginia Tech's College of Engineering, architected a new...

Blog
Bendable Electronics

Scientists at Northwestern University and the University of Illinois at Urbana Campaign have developed a method to fabricate stretchable electronics that enables the user to subject circuits to extreme twisting. This technology promises flexible sensors, transmitters, photovoltaic and microfluidic devices, and other...

Blog
Energy-Producing Water Current

A University of Michigan engineer has made a machine that works like a fish to turn potentially destructive vibrations in fluid flows into clean, renewable power. Called VIVACE for Vortex Induced Vibrations for Aquatic Clean Energy, the hydrokinetic energy system relies on vortex-induced vibrations, undulations...

Blog
Computer Search Model

Researchers at the University of Portsmouth's Sports Science and Mathematics departments and the U.S. Coast Guard are developing a computer model to predict how long someone will survive when lost at sea, which will in turn determine when to stop a search-and-rescue operation. Called the Search and Rescue Survival Model,...

Blog
Safe Sleeping

Parents buy millions of baby monitors each year in the U.S., but most transmit only sounds or video images of the baby - both useful, but only if a parent is listening or watching. University of Florida engineering researchers have built a prototype baby monitor that focuses on a baby's breathing. If the baby's chest stops moving,...

Blog
Bone Implant

A method to produce synthetic bone, using techniques to make vehicle catalytic converters, is being developed by researchers at the University of Warwick. The technique involves a state-of-the-art extrusion of the implant material through a mold, to produce a three-dimensional honeycomb texture with uniform pores. The material can...

Blog
Current Attractions

In March 2008, astronaut Garrett Reisman flew aboard the Space Shuttle Endeavour to the International Space Station, where he spent 95 days living and working in space before returning to Earth in June aboard the Space Shuttle Discovery. Reisman originally applied to become an astronaut when in grad school at CalTech, but did...

Blog
Advancing Fusion

Researchers at MIT's Alcator C-Mod fusion reactor are trying to make the promise of fusion as a future power source closer to reality. Physicist Yijun Lin and principal research scientist John Rice are demonstrating a method to use radio frequency waves to circulate hot plasma inside the reactor chamber, thus controlling heat...

Blog
Spirit of Innovation Awards

The Pete Conrad "Spirit of Innovation" Awards combine education, innovation, and entrepreneurship by challenging high school students to design products using science and technology. The competition is named after the late Pete Conrad, commander of Apollo 12 and the third man to walk on the Moon. After retiring from...

Blog
Icecube Telescope

Physicists, engineers, and technicians from the University of Delaware's Bartol Research Institute are part of an international team working to build the world's largest neutrino telescope in the Antarctic ice. Neutrinos have no electrical charge and can travel millions of miles through space. Dubbed "IceCube," the telescope...

Blog
Top INSIDER Stories of 2008

As the year comes to a close, we highlight the ten INSIDER stories that have generated the highest number of click-throughs. These are the ten stories in which INSIDERs were most interested in 2008. Today's INSIDER highlights numbers 10 through 6. Thursday's INSIDER will highlight the top five stories of...

Blog
Cancer Detector

A Stanford University-led research team has developed a prototype blood scanner that can find cancer markers in the bloodstream in early stages of the disease, potentially allowing for earlier treatment and dramatically improved chances of survival. Based on MagArray biodetection chips, the device uses magnetic nanotechnology to...

Blog
Vote for Product of the Year 2008

Each month, the editors of NASA Tech Briefs choose a Product of the Month - a new product with exceptional technical merit and practical value for the engineering community. Now is your chance to vote for the one product among those 12 Products of the Month that you feel was the most significant new product in...

Application Briefs: Motion Control
Computational Fluid Dynamics Aids Aerospace Apps

Just a few years ago, the use of computational fluid dynamics (CFD) in most aerospace companies was restricted to pure research or troubleshooting problems with existing designs. But in the...

Blog
Top 5 INSIDER Stories of 2008

#5: Researchers at Fraunhofer-Gesellschaft in Germany are working on a thermoelectric generator that converts the heat from car exhaust fumes into electricity. The thermoelectric module feeds the energy into the car's electronic systems, reducing fuel consumption and carbon dioxide from vehicles. Click...

Blog
Blood-Detecting Yarn

A carbon nanotube-coated smart yarn that conducts electricity could be woven into soft fabrics that detect blood and monitor health, engineers at the University of Michigan have demonstrated. Currently, smart textiles are made primarily of metallic or optical fibers, which are fragile and uncomfortable; metal fibers also...

Question of the Week
Will Self-Erasing Chips Catch On?

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PPAP Reviews Using AI and Machine Learning

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2020 Create the Future Contest Awards

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Blog: Mechanical & Fluid Systems

Researchers Prove Their Elastic Exosuit Eases Back Stress

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