October 2008

In August 2007, Cree’s management made a bold decision to replace the existing fluorescent lighting technology at its Durham, NC facility with new energy-saving, environmentally friendly LED lighting...

Application Briefs: Photonics/Optics
Precision Prism Manufacturing — Art or Science?

Prisms are used in countless optical systems — from the pair of binoculars in your closet to cutting edge targeting systems to retroreflectors on the Moon. In modern, high-end optical...

Briefs: Photonics/Optics
Multichannel Monitor-Stabilizer for Injection-Locked Lasers

Temp Tracker and Temp Tracker 12 ch (single-channel and 12-channel versions) programs are designed for use with an atomic gravity gradiometer. They support the stable operation of the injection-locked slave laser(s) in an autonomous regime. Due to changes of environmental conditions and...

Briefs: Photonics/Optics
Self-Quenching Single-Photon Detector

The self-quenching single-photon detector exhibits unique avalanching behaviors. It can automatically quench each of the Geiger mode avalanche events occurring inside the detector, can maintain the...

A differential-frequency measurement technique has been devised to reduce the spurious contributions of temperature fluctuations to determinations of physical quantities from readings...

Products: Photonics/Optics
Product of the Month: IR Panoramic Camera

HGH Infrared Systems (Cambridge, MA) has introduced the IR Revolution 360, a 20° vertical, 360° horizontal field of view (FOV) panoramic infrared camera for security and surveillance. The...

Products: Photonics/Optics
Camera Processor

Toshiba Teli America, Inc. (Irvine, CA) has introduced the SmartDragon™ image processor that can connect and simultaneously receive data from up to four FireWire-B (IEEE1394.b) color or black-and-white cameras. The...

Products: Photonics/Optics
Cameras with Auto and Averaging Features

Basler (Ahrensburg, Germany) has implemented enhanced features on their Scout and Pilot series cameras. The Auto Features Suite controls several camera functions such as gain, exposure, and white...

FEI Company (Hillsboro, OR) has released the TitanTM 80-300 environmental transmission electron microscope (ETEM). The Titan ETEM is suitable for chemical research at the atomic scale, and...

Products: Photonics/Optics
Low Energy LEDs

SCHOTT (Southbridge, MA) has introduced the KL 200 LED Series cold light engine and the EasyLED Ringlight plus stereo microscopy lamp. The low energy consuming lighting solutions are ideal for industrial, biological lab, and...

Products: Photonics/Optics
White LEDs

Luminus Devices (Billerica, MA) has added white LEDs to its PhlatLight® LED line. The white LEDs feature large chip sizes, photonic lattice technology for maximum light extraction, and advanced PhlatLight packaging to provide...

Products: Photonics/Optics
MEMS 3D Micro-Mirrors

AMS Technologies (Martinsried, Germany) now offers MEMS 3D micro-mirrors from Sercalo Microtechnology Ltd. The micro-mirrors are used for precise optical beam steering. To avoid an optical feedback loop, the...

Products: Photonics/Optics
Lighting-Class LEDs

Cree, Inc. (Durham, NC), has introduced the XLamp® XP-E and XP-C LEDs. The new XLamp LEDs, measuring only 3.45 mm square by 2 mm high, can enable new applications, including back-lighting, signage, outdoor, indoor, and...

Products: Photonics/Optics
Wafer Processing Solution

Sarnoff Corporation (Princeton, NJ) has introduced Ultra-Sense™, a complete wafer processing solution. Ultra-Sense combines Silicon-on-Insulator (SOI) wafer technology with low-cost, scalable fabrication...

Products: Photonics/Optics
Thin Film PV Scribing System

J. P. Sercel Associates (JPSA) (Manchester, NH) has introduced laser workstations for processing solar thin film photovoltaic (PV) products. The PV-5000 Thin Film PV Scribing System is based on the ChromaDice™...

Products: Photonics/Optics
Laser Workstation

TRUMPF Inc. (Farmington, CT) has announced the Tru-Laser Station 5004, a compact workstation that accommodates manual and semiautomatic laser welding. It comes equipped with an integrated protective hood, inert gas feeder,...

Products: Photonics/Optics
Dual Hot Swap Controller

Linear Technology Corporation (Milpitas, CA) has introduced the LTC4224, a compact, low voltage Hot Swap™ controller for protecting boards and backplanes that uses two 1V to 6V voltage supplies. The LTC4224 enables...

Products: Photonics/Optics
Specimen Tracking System

Applied Scientific Instrumentation (Eugene, OR) has introduced PhotoTrack, a system specifically designed to solve the problem of tracking a moving specimen. Combined with ASI’s closed-loop DC servo motor stages,...

Products: Photonics/Optics
Multimedia Kit

Moritex (Cambridge, UK) has introduced a multimedia kit for its LightScope industrial endoscopes that includes everything required to perform wide ranging portable inspection and video documentation tasks. The multimedia kit...

Products: Photonics/Optics
Ultra-Thin Silicon Solar Cells Process

IMEC (Leuven, Belgium) has developed a new method to produce ~50μm thin crystalline silicon wafers for use in solar cells. The process involves mechanically initiating and propagating a crack parallel...

Products: Photonics/Optics
Laser Marker

Automated Laser Corporation (Fort Wayne, IN) has introduced the LSG-10 Laser Marker, the next generation of their high-speed CO2 laser markers. The LSG-10 offers a larger marking window, more choices and sizes of text...

Reactive, avoidable equipment repairs are a leading contributor to lost productivity in industrial manufacturing operations. Parts with an average selling price of just a few...

Advances in digital hardware technology and software innovations now allow a single digital servo drive to be configured to work in a variety of machine control architectures.

Application Briefs: Motion Control
QuickSilver Servo Motors Drive Autonomous Vehicles

The design of remotely operated, autonomous battery-powered vehicles places special requirements on motion control systems. High torque at low speeds is needed to climb over obstacles, while higher speed operation is needed for cruise speed. Efficient operation from lower voltages (12V to 48V)...

What do you do if you’re in the business of producing a wide variety of metal presses to meet special customer requirements? You choose your system components wisely, and...

Application Briefs: Motion Control
Maxon Drive Prevents Bottlenecks for Bottle Cap Maker

Maxon’s MCD EPOS integrated power drive was used by a wine and liquor bottling operation to control the cutting of shrink-wrapped film over the bottleneck and cork or cap.

The STM Drive+Motor solution from Applied Motion Products (Watsonville, CA) is a stepper drive and motor unit fused into a single device that saves space, wiring and cost, when compared with conventional motor/drive...

Holjeron (Tualatin, OR) has unveiled conveyor control assemblies and 24 VDC motor-driven rollers able to operate in extreme temperature and humidity conditions.

The SPiiPlus HP Series motion control module from ACS Motion Control (Plymouth, MN) is available in PC-based, standalone, or rack-mounted multi-axis controllers that support direct-connected servo or stepper motors and...

Products
Servo Drive

The Accelnet Micro servo drive from Copley Controls (Canton, MA) mounts directly onto pc boards and delivers 6 A at 90 V for brushless and brush-type servo motors. It works in a range of system architectures and is compatible...

Products
MOSFSET Chipset

A 25V synchronous buck converter DirectFET® MOSFET chipset from International Rectifier (El Segundo, CA) is designed for point-of-load (POL) converter designs, and server, high-end desktop and notebook computer applications....

The ADAM-5081 high-speed quadrature encoder and counter module from the Industrial Automation Group of Advantech (Cincinnati, OH) provides isolation of 2,500VDC, a high-speed frequency mode (5 Hz to 1 MHz), and a counter...

Products
Load Actuator

The MX Series linear actuator from Pacific Bearing Company (Rockford, IL) comes in belt-driven vertical and horizontal configurations, and in a choice of sizes. The actuator has large cam rollers to carry high loads at greater...

Products
Linear Position Sensor

The A40-HR 20P linear position and velocity sensor from Visi-Trak (Charlottesville, VA) provides control resolution exceeding 0.001 in. at 200 inches per second. The auto-calibrating sensor can sense any stroke length, suiting it for hydraulic and pneumatic cylinders or any linear actuator requiring high speed and...

Products
Speed Regulator

The MINI-K® model Kinechek® speed regulator from Deschner Corp. (Santa Ana, CA) is available in ½, 1, 1¼, and 1½ inch stroke lengths with a maximum capacity of 400 lbs. There are no sliding seals, and no heavy springs to...

Products
Servo Drive

The Bassoon servo drive from Elmo Motion Control (Westford, MA) has an absolute encoder and delivers up to 1.9 kW of continuous power, or 3.8 kW peak. The fully programmable drive can operate in position, velocity, and current...

Products
High Speed Motion Recorder

The SBOC-M/SBOI-M compact vision system from Festo (Hauppauge, NY) provides simplified fault localization and reliable analysis and diagnosis of high-speed motion sequences.

Products
Conveyor Brake

Designed for decline conveyors with a fail-safe requirement, the EC100 RollerDrive from Interroll Corp. (Wilmington, NC) has a mechanical rotor locking break that prevents drifting on inclines while ensuring smooth operation,...

The quiet-running Peristaltic Pump Gear Motor (PPGM) from Crouzet North America (Vista, CA) generates half the noise of comparable motors. The motor is available in 16 and 30-watt models and features a gearbox torque of...

SCHUNK Inc. (Morrisville, NC) has expanded its EGN series of servo electric two-finger parallel grippers to include sizes 80 and 160 in addition to the existing size 100. The new sizes have a stroke per finger of 8 and 16...

Virtualizing physical measurements using wireless sensor technology enables a host of new solution choices. Wireless sensors are smart devices that realize measurements...

Control Architecture for Robotic Agent Command and Sensing (CARACaS) is a recent product of a continuing effort to develop architectures for controlling either a single autonomous...

Briefs: Electronics & Computers
Improved Airborne System for Sensing Wildfires

The Wildfire Airborne Sensing Program (WASP) is engaged in a continuing effort to develop an improved airborne instrumentation system for sensing wildfires. The system could also be used for...

Nanocrystalline tin oxide (SnO2) doped with copper oxide (CuO) has been found to be useful as an electrical-resistance sensory material for measuring the concentration...

Briefs: Information Technology
Algorithm for Wavefront Sensing Using an Extended Scene

A recently conceived algorithm for processing image data acquired by a Shack-Hartmann (SH) wavefront sensor is not subject to the restriction, previously applicable in SH wavefront sensing, that the image be formed from a distant star or other equivalent of a point light source. That is to...

A computer system denoted a change-detection onboard processor (CDOP) is being developed as a means of processing the digitized output of a synthetic-aperture radar (SAR) apparatus...

Briefs: Electronics & Computers
System for Measuring Flexing of a Large Spaceborne Structure

An optoelectronic metrology system is used for determining the attitude and flexing of a large spaceborne radar antenna or similar structure. The measurements are needed for accurate pointing of the antenna and correction and control of the phase of the radar signal wavefront. The...

The figure depicts selected aspects of a very-high-frequency (VHF) microstrip-patch antenna designed and built to satisfy requirements specific to an airborne synthetic-aperture radar...

A method of utilizing information available in the constraints imposed by a low-density parity-check (LDPC) code has been proposed as a means of aiding the recovery of symbol...

Briefs: Electronics & Computers
Integrated Formation Optical Communication and Estimation System

An architecture has been designed that integrates formation estimation methodologies, precision formation sensing, and high- bandwidth formation communication into a robust, strap-on system that meets knowledge and communication requirements for the majority of planned, precision...

A technique for making superconducting joints between wires made of dissimilar superconducting metals has been devised. The technique is especially suitable for fabrication of...

A method has been devised for high-volume, high-velocity surface deposition of protective metallic coatings on otherwise vulnerable surfaces. Thermal spraying is used...

Briefs: Materials
Coating Reduces Ice Adhesion

The Shuttle Ice Liberation Coating (SILC) has been developed to reduce the adhesion of ice to surfaces on the space shuttle. SILC, when coated on a surface (foam, metal, epoxy primer, polymer surfaces), will reduce the adhesion of ice by as much as 90 percent as compared to the corresponding uncoated surface. This...

This innovation blends the merits of multifoil insulation (MFI) with aerogel-based insulation to develop a highly versatile, ultra-low thermally conductive material called hybrid multifoil aerogel...

Briefs: Information Technology
XML-Based SHINE Knowledge Base Interchange Language

The SHINE Knowledge Base Interchange Language software has been designed to more efficiently send new knowledge bases to spacecraft that have been embedded with the Spacecraft Health Inference Engine (SHINE) tool. The intention of the behavioral model is to capture most of the information...

Briefs: Information Technology
SHINE Virtual Machine Model for In-flight Updates of Critical Mission Software

This software is a new target for the Spacecraft Health Inference Engine (SHINE) knowledge base that compiles a knowledge base to a language called Tiny C — an interpreted version of C that can be embedded on flight processors. This new target allows portions of...

Briefs: Information Technology
Mars Image Collection Mosaic Builder

A computer program assembles images from the Mars Global Surveyor (MGS) Mars Observer Camera Narrow Angle (MOCNA) collection to generate a uniform-high-resolution, georeferenced, uncontrolled mosaic image of the Martian surface. At the time of reporting the information for this article, the mosaic covered 7...

Briefs: Information Technology
Providing Internet Access to High-Resolution Mars Images

The OnMars server is a computer program that provides Internet access to high-resolution Mars images, maps, and elevation data, all suitable for use in geographical information system (GIS) software for generating images, maps, and computational models of Mars. The OnMars server is an...

Briefs: Information Technology
Providing Internet Access to High-Resolution Lunar Images

The OnMoon server is a computer program that provides Internet access to high-resolution Lunar images, maps, and elevation data, all suitable for use in geographical information system (GIS) software for generating images, maps, and computational models of the Moon. The OnMoon server...

Briefs: Information Technology
Expressions Module for the Satellite Orbit Analysis Program

The Expressions Module is a software module that has been incorporated into the Satellite Orbit Analysis Program (SOAP). The module includes an expressions-parser submodule built on top of an analytical system, enabling the user to define logical and numerical variables and constants....

Briefs: Information Technology
Virtual Satellite

Virtual Satellite (VirtualSat) is a computer program that creates an environment that facilitates the development, verification, and validation of flight software for a single spacecraft or for multiple spacecraft flying in formation. In this environment, enhanced functionality and autonomy of navigation, guidance, and control...

Briefs: Information Technology
Small-Body Extensions for the Satellite Orbit Analysis Program (SOAP)

An extension to the SOAP software allows users to work with tri-axial ellip-soid-based representations of planetary bodies, primarily for working with small, natural satellites, asteroids, and comets. SOAP is a widely used tool for the visualization and analysis of space...

Briefs: Information Technology
Scripting Module for the Satellite Orbit Analysis Program (SOAP)

This add-on module to the SOAP software can perform changes to simulation objects based on the occurrence of specific conditions. This allows the software to encompass simulation response of scheduled or physical events. Users can manipulate objects in the simulation environment...

Briefs: Information Technology
Core Technical Capability Laboratory Management System

The Core Technical Capability Lab - oratory Management System (CTCLMS) consists of dynamically generated Web pages used to access a database containing detailed CTC lab data with the software hosted on a server that allows users to have remote access. Users log into the system with their KSC...

Briefs: Information Technology
MRO SOW Daily Script

The MRO SOW daily script (wherein "MRO" signifies "Mars Reconnaissance Orbiter" and "SOW" signifies "sequence systems engineer of the week") is a computer program that automates portions of the MRO daily SOW procedure, which includes checking file-system sizes and automated sequence processor (ASP) log files. The MRO SOW...

Articles: Aerospace
NASA Celebrates 50 Years

"The exploration of space will go ahead, whether we join it or not, and it is one of the greatest adventures of all time, and no nation which expects to be the leader of other nations can expect to stay behind in this race for space. "We set sail on this new sea because there is new knowledge to be gained and new rights...

Articles: Aerospace
50 Years of Inspiration

We wanted NASA Tech Briefs readers to be a part of our special issue celebrating NASA's 50th anniversary. So, we asked you to tell us how NASA, and NASA Tech Briefs, have inspired you over the past 50 years. We wanted to know how NASA helped you in your career or business, or improved your everyday life. What benefits...

Briefs: Mechanical & Fluid Systems
Tool for Inspecting Alignment of Twinaxial Connectors

A proposed tool would be used to inspect alignments of mating twinaxial-connector assemblies on interconnecting wiring harnesses. More specifically, the tool would be used to inspect the...

NASA’s predecessor agency, the National Advisory Committee for Aeronautics (NACA), began a legacy of aeronautical innovation that continues today. While much of the focus of...

Briefs: Mechanical & Fluid Systems
An ATP System for Deep-Space Optical Communication

An acquisition, tracking, and pointing (ATP) system is proposed for aiming an optical- communications downlink laser beam from deep space. In providing for a direction reference, the concept exploits the mature technology of star trackers to eliminate the need for a costly and potentially...

Briefs: Mechanical & Fluid Systems
Polar Traverse Rover Instrument

A Polar Traverse Rover (PTR) is a device designed to determine the role of Antarctica in the global climate system by determining typical paths of continental air that passes the South Pole, and by obtaining insight into the relationship between events at the Antarctic and the meteorology of sub- polar altitudes....

A recently invented method of measuring concentrations of phycocynanin- pigmented algae and bacteria in water is based on measurement of the spectrum of reflected sunlight. When...

The Expert System is an enclosed, controlled environment for growing plants, which incorporates a computerized, knowledge-based software program that is designed to capture the...

“Space exploration is all about inspiration, innovation, and discovery. It’s about imagining the future. It’s about taking new steps, and exploring beyond our limitations, and creating something...

Dimethyl acetamide (DMAC) and N-methyl pyrrolidinone (NMP) have been found to be useful as high- temperature- resilience-enhancing additives to a baseline electrolyte used in...

A miniature mass spectrometer that incorporates features not typically found in prior mass spectrometers is undergoing development. This mass spectrometer is designed to simultaneously...

Briefs: Physical Sciences
Waveguide Harmonic Generator for the SIM

A second-harmonic generator (SHG) serves as the source of the visible laser beam in an onboard calibration scheme for NASA's planned Space Interferometry Mission (SIM), which requires an infrared laser beam and a visible laser beam coherent with the infrared laser beam. The SHG includes...

The 2008 NASA Tech Briefs National Nano Engineering Conference (NNEC), be held November 12-13 at the Boston Colonnade Hotel, is for design engineers who want to know what’s real, what’s close to...

Briefs: Physical Sciences
Whispering Gallery Mode Resonator With Orthogonally Reconfigurable Filter Function

An optical resonator has been developed with reconfigurable filter function that has resonant lines that can be shifted precisely and independently from each other, creating any desirable combination of resonant lines. This is achieved by changing the axial...

Bimaterial thermal compensators have been proposed as inexpensive means of preventing (to first order) or reducing temperature-related changes in the resonance frequencies of...

Lithium-ion batteries
Yardney Technical Products
Pawcatuck, CT
860-599-1100
www.yardney.com

NASA’s Phoenix Mars Lander landed safely near...

Briefs: Physical Sciences
Stable Calibration of Raman Lidar Water-Vapor Measurements

A method has been devised to ensure stable, long-term calibration of Raman lidar measurements that are used to determine the altitude-dependent mixing ratio of water vapor in the upper troposphere and lower stratosphere. Because the lidar measurements yield a quantity proportional to the...

Constellation Space Suit Station (CSSS)
Oceaneering International
Houston, TX
281-228-5300
www.oceaneering.com

Oceaneering International has secured a...

NASA Tech Needs
Centennial Challenges

The NASA Regolith Excavation Challenge was held on August 2 and 3 on the campus of the California Poly - technic State University in San Luis Obispo, CA. The competition required teams to build a roving excavator that...

By Fielder Hiss
Director of Product
Management
Dassault Systèmes
SolidWorks Corp.
Concord, MA

Global...

Dr. Jonathan Trent is an expert in the use of extremophile proteins to create nanoscale electronic devices. An extremophile is a life form capable of surviving in...

An improved adaptive method of processing image data in an artificial neural network has been developed to enable automated, real-time recognition of possibly moving objects under...

Briefs: Information Technology
Root Source Analysis/ValuStream™ — a Methodology for Identifying and Managing Risks

Root Source Analysis (RoSA) is a systems-engineering methodology that has been developed at NASA over the past five years. It is designed to reduce costs, schedule, and technical risks by systematically examining critical assumptions and the state of the...

Briefs: Information Technology
Ensemble: an Architecture for Mission-Operations Software

"Ensemble" is the name of an open architecture for, and a methodology for the development of, spacecraft mission-operations software. Ensemble is also potentially applicable to the development of non-spacecraft mission-operations-type software.

Products
VIUscan™

Creaform, Levis, QE, Canada, offers the VIUscan™, the latest addition to the Handyscan 3D line of handheld scanners, which are used for the design, manufacturing, and inspection of any type of parts or assembly. VIUscan is a...

Techs for License
Technology Uses In-Building Wi-Fi to Determine Location of Wireless Devices

LOCADIO technology pairs readings of IEEE 802.11× received signal-strength indication (RSSI) with probabilistic analysis of building floor plans to deduce where a wirelessenabled device is in a building. It can locate a wireless device within a room to an accuracy of...

Briefs: Physical Sciences
On-Orbit Multi-Field Wavefront Control With a Kalman Filter

A document describes a multi-field wavefront control (WFC) procedure for the James Webb Space Telescope (JWST) on-orbit optical telescope element (OTE) fine-phasing using wavefront measurements at the NIRCam pupil. The control is applied to JWST primary mirror (PM) segments and...

Techs for License
Advanced Particle Separation Technology Uses Coriolis Force and Specific Gravity

This technology selectively separates fine and small particles that have a desired particle size range by using the particles’ specific gravity and their various sedimentation rates in a rotating vessel of vibrating liquid. By adjusting the frequency and amplitude...

Tech Needs
Reducing Free Fatty Acids in Frying Oil

A food manufacturer is looking for a technology to extend the usability of its frying oils; specifically, technologies to reduce the formation of free fatty acids (FFA) during frying. The company seeks to change or control chemical reaction of hydrolysis without changing water content of the food itself....

Tech Needs
Image Processing for Controlling a Robot or Quality Inspection

A company seeks technologies that may be applicable to automated assembly lines, including a robot to use image processing to select and pick up small parts from a bin using a pin several millimeters in diameter. The image processing technology should be general-purpose and highly...

Briefs: Electronics & Computers
The Interplanetary Overlay Networking Protocol Accelerator

A document describes the Inter - planetary Overlay Networking Protocol Accelerator (IONAC) — an electronic apparatus, now under development, for relaying data at high rates in spacecraft and interplanetary radio-communication systems utilizing a delay-tolerant networking protocol....

Briefs: Physical Sciences
Multichannel Monitor-Stabilizer for Injection-Locked Lasers

Temp Tracker and Temp Tracker 12 ch (single-channel and 12-channel versions) programs are designed for use with an atomic gravity gradiometer. They support the stable operation of the injection-locked slave laser(s) in an autonomous regime. Due to changes of environmental conditions and...

Briefs: Physical Sciences
Self-Quenching Single-Photon Detector

The self-quenching single-photon detector exhibits unique avalanching behaviors. It can automatically quench each of the Geiger mode avalanche events occurring inside the detector, can maintain the...

A differential-frequency measurement technique has been devised to reduce the spurious contributions of temperature fluctuations to determinations of physical quantities from readings...

Blog
Chemical Weapon Detecting Compound

A light-transmitting compound called (A)ZrPSe 6, where A can be potassium, rubidium, or cesium, has a difficult chemical structure that does not crystallize well. Scientists from the Argonne National Laboratory and Northwestern University were able to determine the structure of the compound using the uniquely...

Blog
Healing Nanoparticles

Purdue University researchers have developed a method of using nanoparticles to help treat injured brain and spinal cord cells. A team led by Richard Borgens of the School of Veterinary Medicine's Center for Paralysis Research and Welden School of Biomedical Engineering coated silica nanoparticles with a polymer to target...

Blog
Microwaving Mars and the Moon

Research conducted by material scientists may lead to the ability to extract water from the Moon and possibly Mars by shooting microwave beams into their surface, according to Bill Kaukler, Associate Research Professor at the University of Alabama in Huntsville. The Phoenix Mars lander scratched just two inches...

Blog
Hydrogen Sensor

Researchers at the National Institute of Standards and Technology and Colorado School of Mines have developed a prototype sensor that quickly detects very small amounts of hydrogen accumulation in coated pipeline steel. Hydrogen can cause gradual embrittlement in conventional pipelines by slowly diffusing into the metal. The new...

Blog
Powerhouse Cells

Yale University researchers have created a blueprint for artificial cells that are more powerful and efficient than the natural cells they mimic. The energy-generating artificial cells could one day power medical implants and provide a big advantage over battery-operated devices.

The scientists began with the question of...

Blog
T-Ray Camera

A terahertz version of the single-pixel camera developed by Rice University researchers could lead to breakthrough technologies in security, telecom, signal processing, and medicine. The researchers replaced expensive, multi-pixel sensor arrays used in current terahertz imaging systems with a single sensor. Two keys to the system...

Blog
Current Attractions

Each month, NTB highlights tech briefs related to a particular area of technology in a special section called Technology Focus. Here are some of the technologies featured in the October issue focus on Sensors.

Blog
MRI And Body Temperature

Duke University chemists say they have developed a new way to measure temperature changes inside the body with unprecedented precision, by correcting a subtle error in the original theory underlying Magnetic Resonance Imaging (MRI). The technique could improve clinical applications of hyperthermia against cancer, and...

Blog
Nanomaterials at NNEC

Register today for NASA Tech Briefs' National Nano Engineering Conference (NNEC), the premier event focused on current and future developments in engineering innovations at the nanoscale. The event returns to Boston this year on November 12-13 at the Boston Colonnade Hotel, featuring the fourth annual Nano 50 Awards,...

Blog
Protein Highlighters

Biochemists Lila Gierasch and Beena Krishnan at the University of Massachusetts Amherst have found a way to slip a fluorescent marker into one of a cell's molecular machines so it lights up when it has formed the proper shape to carry out the cell's "work orders." The new technique should allow labeling of correctly folded...

Blog
Seismic Simulations

For the first time, seismic signals that precede a volcanic eruption have been simulated and visualized in 3D under controlled pressure conditions in a laboratory. The ability to conduct such simulations will better equip municipal authorities in volcanic hot spots around the world in knowing when to alert people. Nearly 500...

Blog
Cosmic Lens

Astronomers at the California Institute of Technology and their colleagues have been able to observe a young star-forming galaxy as it appeared only two billion years after the Big Bang and determine how the galaxy may eventually evolve to become a system like our own Milky Way. The team made their observations by coupling two...

Blog
Disaster Response

Researchers at the Georgia Tech Research Institute (GTRI) have developed a low- cost, high-resolution imaging system that can be attached to a helicopter to create a complete and detailed picture of an area devastated by a hurricane or other natural disaster. The resulting visual information can be used to estimate the number...

Blog
Plasmonic Lenses That 'Fly'

Engineers at the University of California at Berkeley, are reporting a new way of creating computer chips that could revitalize optical lithography, the dominant patterning technique in integrated circuits manufacturing. The researchers were able to create line patterns only 80 nanometers wide at speeds up to 12...

Blog
High-Capacity Neural Probe

University of Arkansas scientists have developed a neural probe that demonstrates significantly greater electrical charge storage capacity than all other neural prosthetic devices, making it possible to stimulate nerves and tissues with less damage and sense neural signals with better sensitivity. The probe, made of...

Videos