October 2012

Question of the Week
Will We Accept the Use of Robots for Personal Care or Social Activities?

A study by the Georgia Institute of Technology indicates that older adults are willing to use robots for the daily activities that become more challenging with age, unless the tasks involve personal care or social activities. After showing adults (ages 65 to 93 years)...

Question of the Week
Is Affective Programming a Promising Technology?

The New York Times recently reported on Egyptian programmers' attempts to train computers to recognize facial expressions and define human emotion. This emerging technology field called "affective programming" could be used in a variety of applications, such as providing better learning...

NASA Researchers Use Atom Optics to Detect Imperceptible Waves

A pioneering technology capable of atomic-level precision is now being developed to detect what so far has remained imperceptible: gravitational waves or ripples in space-time caused by cataclysmic events including even the Big Bang itself.

Goddard physicist Babak Saif, along with...

News : Materials
Can Cobalt-Graphene Beat Out Platinum As Catalyst in Hydrogen Fuel Cells?

Platinum works well as a catalyst in hydrogen fuel cells, but it is expensive and degrades over time. Brown University chemist Shouheng Sun and his students have developed a new material — a graphene sheet covered by cobalt and cobalt-oxide nanoparticles — that can...

Question of the Week
Will We See Bio-Printed Organs in the Near Future?

3D printing has been used in the health care field to make prosthetic limbs, custom hearing aids, dental fixtures, and other helpful tools for patients. The printing technology is now being used to create more complex structures, even human tissue. Bio-printers, for example, form human tissue...

Scientists Use Powerful Laser to Study Atomic-Level Structures

A multi-university team has employed a high-powered laser to dramatically improve one of the tools scientists use to study the world at the atomic level. The team was able to use their amped-up electron paramagnetic resonance (EPR) spectrometer to study the electron spin of free...

High-Temperature Monitoring System

Marshall Electronics (El Segundo, CA) has introduced a solution for process monitoring in high temperature environments. Marshall’s Hi Temperature Zoom Pinhole Lenses and VS-5310 1.3 MP C/CS Day/Night IP Camera enable real-time monitoring, recording and playback of processes involving extreme heat and harsh...

Laser Beam Profiler User Interface

Photon (North Logan, UT) recently announced NanoScan v2, the newest version of the company's scanning slit beam profiler. NanoScan is a NIST-calibrated laser beam profiler. The system uses moving slits to measure beam sizes from microns to centimeters at beam powers from microwatts to kilowatts, with little to...

Mirror Alignment Guide

Optical Surfaces Ltd.(Surrey, UK) has produced a new 10-page practical alignment guide for high precision off-axis paraboloids (OAP) to enable users to get top performance from their optics. The illustrated alignment guide includes an introduction to OAP geometry as well as step-by step instructions on initial alignment;...


CRAIC Technologies (San Dimas, CA) has announced the addition of Raman microspectroscopy capabilities to its flagship product: the 20/20 Perfect Vision™ microspectrophotometer. The 20/20 PV™ microspectrophotometer is a self-contained unit that features advanced UV-visible-NIR light sources, solid state lasers, true...

News : Energy
'Nanoflowers' for Energy Storage and Solar Cells

North Carolina State University researchers have created flower-like structures out of germanium sulfide (GeS) – a semiconductor material – that have extremely thin petals with an enormous surface area. The GeS flowers hold promise for next-generation energy storage devices and solar...

Question of the Week
Should Pearl Harbor "go green?"

As part of the Navy's plan to convert at least 50% of its energy demands to alternative sources by 2020, the branch may cover part of Pearl Harbor with solar panels. The 4000-foot, unused runway in the center of Pearl Harbor's military base is a good location for the solar project and is "critically important to...

Miniature Atomic Clock Could Support Soldiers In Absence Of GPS

The U.S. Army has begun the final phase for manufacturing a microchip-sized prototype that will support efforts to provide highly accurate location and battlefield situational awareness for the dismounted soldier, even in the temporary absence of GPS capability.

News : Semiconductors & ICs
New Technique Monitors Semiconductor Surface as it is Etched

University of Illinois researchers have a new low-cost method to carve delicate features onto semiconductor wafers using light – and watch as it happens. The team’s new technique can monitor a semiconductor’s surface as it is etched, in real time, with nanometer resolution. It...

Question of the Week
Will We Send Astronauts Beyond the Moon?

The Orlando Sentinel reported last week that NASA's next major mission could be the construction of a "gateway spacecraft" outpost that would send astronauts 277,000 miles from Earth, farther than ever before. The outpost would hover in orbit on the far side of the moon, support a small astronaut crew,...

Briefs : Physical Sciences
Low-Power Architecture for an Optical Life Gas Analyzer

Analog and digital electronic control architecture has been combined with an operating methodology for an optical trace gas sensor platform that allows very low power consumption while providing four independent gas measurements in essentially real time, as well as a user interface and...

Briefs : Physical Sciences
Detection of Chemical Precursors of Explosives

Certain selected chemicals associated with terrorist activities are too unstable to be prepared in final form. These chemicals are often prepared as precursor components, to be combined at a time immediately preceding the detonation. One example is a liquid explosive, which usually requires an...

Briefs : Physical Sciences
Rugged, Portable, Real-Time Optical Gaseous Analyzer for Hydrogen Fluoride

Hydrogen fluoride (HF) is a primary evolved combustion product of fluorinated and perfluorinated hydrocarbons. HF is produced during combustion by the presence of impurities and hydrogen-containing polymers including polyimides. This effect is especially dangerous in...

Briefs : Physical Sciences
A Probabilistic Mass Estimation Algorithm for a Novel 7-Channel Capacitive Sample Verification Sensor

A document describes an algorithm created to estimate the mass placed on a sample verification sensor (SVS) designed for lunar or planetary robotic sample return missions. A novel SVS measures the capacitance between a rigid bottom plate and an...

Briefs : Physical Sciences
Detecting Methane From Leaking Pipelines and as Greenhouse Gas in the Atmosphere

Laser remote sensing measurements of trace gases from orbit can provide unprecedented information about important planetary science and answer critical questions about planetary atmospheres. Methane (CH4) is the second most important anthropogenically...

Briefs : Information Technology
Onboard Sensor Data Qualification in Human-Rated Launch Vehicles

The avionics system software for human-rated launch vehicles requires an implementation approach that is robust to failures, especially the failure of sensors used to monitor vehicle conditions that might result in an abort determination. Sensor measurements provide the basis for...

Briefs : Manufacturing & Prototyping
Fabrication of Single Crystal MgO Capsules

A method has been developed for machining MgO crystal blocks into forms for containing metallic and silicate liquids at temperatures up to 2,400 ºC, and pressures up to at least 320 kilobars. Possible custom shapes include tubes, rods, insulators, capsules, and guides. Key differences in this...

Briefs : Manufacturing & Prototyping
Mars Aqueous Processing System

The goal of the Mars Aqueous Processing System (MAPS) is to establish a flexible process that generates multiple products that are useful for human habitation. Selectively extracting useful components into an aqueous solution, and then sequentially recovering individual constituents, can obtain a suite of refined...

Briefs : Manufacturing & Prototyping
Inflatable Hangar for Assembly of Large Structures in Space

The NASA Human Space Flight program is interested in projects where humans, beyond low-Earth orbit (LEO), can make an important and unique contribution that cannot be reasonably accomplished purely by robotic means, and is commensurate with the effort and cost associated with human...

Briefs : Materials
Tools to Prepare Aluminum Surfaces for Bonding

Bonding to aluminum can be a difficult task. Many engineers will search for a single and simple remedy in the form of a low-temperature adhesive for making structural joints without welding. A number of manufacturers offer adhesives intended to get the job done. VHB foam tapes have also been studied...

Briefs : Materials
Hybrid Filter Membrane

Cabin environmental control is an important issue for a successful Moon mission. Due to the unique environment of the Moon, lunar dust control is one of the main problems that significantly diminishes the air quality inside spacecraft cabins. Therefore, this innovation was motivated by NASA’s need to minimize the...

Briefs : Mechanical & Fluid Systems
Design for the Structure and the Mechanics of Moballs

The moball is envisioned to be a round, self-powered, and wind-driven multifunctioning sensor used in the Gone with the Wind ON-Mars (GOWON) [http://www.lpi.usra.edu/meetings/ marsconcepts2012/pdf/4238.pdf]: A Wind-Driven Networked System of Mobile sensors on Mars. The moballs would have...

Briefs : Mechanical & Fluid Systems
Cascading Tesla Oscillating Flow Diode for Stirling Engine Gas Bearings

Replacing the mechanical check-valve in a Stirling engine with a micromachined, non-moving-part flow diode eliminates moving parts and reduces the risk of microparticle clogging.

Briefs : Mechanical & Fluid Systems
Pressure Dome for High-Pressure Electrolyzer

A high-strength, low-weight pressure vessel dome was designed specifically to house a high-pressure [2,000 psi (≈13.8 MPa)] electrolyzer. In operation, the dome is filled with an inert gas pressurized to roughly 100 psi (≈690 kPa) above the high, balanced pressure product oxygen and hydrogen gas...

Briefs : Medical
Wideband Single-Crystal Transducer for Bone Characterization

The microgravity conditions of space travel result in unique physiological demands on the human body. In particular, the absence of the continual mechanical stresses on the skeletal system that are present on Earth cause the bones to decalcify. Trabecular structure decreases in...

Briefs : Medical
Extreme Ionizing-Radiation-Resistant Bacterium

There is a growing concern that desiccation and extreme radiation-resistant, non-spore-forming microorganisms associated with spacecraft surfaces can withstand space environmental conditions and subsequent proliferation on another solar body. Such forward contamination would jeopardize future life...

Briefs : Medical
Fluorescence-Activated Cell Sorting of Live Versus Dead Bacterial Cells and Spores

This innovation is a coupled fluorescence-activated cell sorting (FACS) and fluorescent staining technology for purifying (removing cells from sampling matrices), separating (based on size, density, morphology, and live versus dead), and concentrating cells...

Briefs : Medical
Nonhazardous Urine Pretreatment Method

A method combines solid phase acidification with two non-toxic biocides to prevent ammonia volatilization and microbial proliferation. The safe, nonoxidizing biocide combination consists of a quaternary amine and a food preservative. This combination has exhibited excellent stabilization of both acidified...

Briefs : Physical Sciences
Ka-Band Waveguide Three-Way Serial Combiner for MMIC Amplifiers

In this innovation, the three-way combiner consists internally of two branchline hybrids that are connected in series by a short length of waveguide. Each branch-line hybrid is designed to combine input signals that are in phase with an amplitude ratio of two. The combiner is...

Briefs : Physical Sciences
Low-Gain Circularly Polarized Antenna With Torus-Shaped Pattern

The Juno mission to Jupiter requires an antenna with a torus-shaped antenna pattern with approximately 6 dBic gain and circular polarization over the Deep Space Network (DSN) 7-GHz transmit frequency and the 8-GHz receive frequency. Given the large distances that accumulate en-route...

Briefs : Physical Sciences
Laser-Ranging Transponders for Science Investigations of the Moon and Mars

An active laser was developed ranging in real-time with two terminals, emulating interplanetary distances, and with submillimeter accuracy. In order to overcome the limitations to ranging accuracy from jitters and delay drifts within the transponders, architecture was...

Briefs : Physical Sciences
Structural Health Monitoring With Fiber Bragg Grating and Piezo Arrays

Structural health monitoring (SHM) is one of the most important tools available for the maintenance, safety, and integrity of aerospace structural systems. Lightweight, electromagnetic-interference- immune, fiber-optic sensor-based SHM will play an increasing role in more...

Briefs : Software
Stereo and IMU-Assisted Visual Odometry for Small Robots

This software performs two functions: (1) taking stereo image pairs as input, it computes stereo disparity maps from them by cross-correlation to achieve 3D (three-dimensional) perception; (2) taking a sequence of stereo image pairs as input, it tracks features in the image sequence to...

Briefs : Software
Global Swath and Gridded Data Tiling

This software generates cylindrically projected tiles of swath-based or gridded satellite data for the purpose of dynamically generating high-resolution global images covering various time periods, scaling ranges, and colors called “tiles.” It reconstructs a global image given a set of tiles covering a...

Briefs : Software
GOES-R: Satellite Insight

GOES-R: Satellite Insight seeks to bring awareness of the GOES-R (Geostationary Operational Environmental Satellite — R Series) satellite currently in development to an audience of all ages on the emerging medium of mobile games. The iPhone app (Satellite Insight) was created for the GOES-R Program. The app describes...

Briefs : Software
Aquarius iPhone Application

The Office of the CIO at JPL has developed an iPhone application for the Aquarius/SAC-D mission. The application includes specific information about the science and purpose of the Aquarius satellite and also features daily mission news updates pulled from sources at Goddard Space Flight Center as well as Twitter. The...

Briefs : Information Technology
Monitoring of International Space Station Telemetry Using Shewhart Control Charts

Shewhart control charts have been established as an expedient method for analyzing dynamic, trending data in order to identify anomalous subsystem performance as soon as such performance would exceed a statistically established baseline. Additionally, this leading...

Briefs : Information Technology
Time Manager Software for a Flight Processor

Data analysis is a process of inspecting, cleaning, transforming, and modeling data to highlight useful information and suggest conclusions. Accurate timestamps and a timeline of vehicle events are needed to analyze flight data. When data is gathered onboard a rocket, precise time stamping is even...

Briefs : Information Technology
Simulation of Oxygen Disintegration and Mixing With Hydrogen or Helium at Supercritical Pressure

The simulation of high-pressure turbulent flows, where the pressure, p, is larger than the critical value, pc, for the species under consideration, is relevant to a wide array of propulsion systems, e.g. gas turbine, diesel, and liquid...

Briefs : Information Technology
Theory of a Traveling Wave Feed for a Planar Slot Array Antenna

Planar arrays of waveguide-fed slots have been employed in many radar and remote sensing applications. Such arrays are designed in the standing wave configuration because of high efficiency. Traveling wave arrays can produce greater bandwidth at the expense of efficiency due to...

Briefs : Mechanical & Fluid Systems
A Superfluid Pulse Tube Refrigerator Without Moving Parts for Sub-Kelvin Cooling

A report describes a pulse tube refrigerator that uses a mixture of 3He and superfluid 4He to cool to temperatures below 300 mK, while rejecting heat at temperatures up to 1.7 K. The refrigerator is driven by a novel thermodynamically...

Briefs : Mechanical & Fluid Systems
Sapphire Viewports for a Venus Probe

A document discusses the creation of a viewport suitable for use on the surface of Venus. These viewports are rated for 500 °C and 100 atm pressure with appropriate safety factors and reliability required for incorporation into a Venus Lander. Sapphire windows should easily withstand the chemical, pressure,...

Briefs : Physical Sciences
The Mobile Chamber

A document discusses a simulation chamber that represents a shift from the thermal-vacuum chamber stereotype. This innovation, currently in development, combines the capabilities of space simulation chambers, the user-friendliness of modern-day electronics, and the modularity of plug-and-play computing. The Mobile Chamber is a...

Briefs : Physical Sciences
Electric Propulsion Induced Secondary Mass Spectroscopy

A document highlights a means to complement remote spectroscopy while also providing in situ surface samples without a landed system. Historically, most compositional analysis of small body surfaces has been done remotely by analyzing reflection or nuclear spectra. However, neither provides...

Briefs : Medical
Fingertip-Sized Microscope to Study the Brain and its Diseases

A readily portable miniature microscope weighing less than 2 grams and tiny enough to balance on your fingertip has been developed. The scope is designed to see fluorescent markers, such as dyes, commonly used by medical and biological researchers studying the brains of mice.

Articles : Motion Control
Simulation of Fluid-Structure Interaction in Hydraulic Pump Design

Axial pumps with cam-driven commutation units — so-called PWK pumps — emerged as a result of a research project conducted in the Department of Hydraulics and Pneumatics at the Gdansk University of Technology. As for all axial hydraulic piston pumps, several cylinder chambers...

Articles : Electronics & Computers
Using Laser Direct Structuring (LDS) to Create Robust Hardware Security Devices

Awide range of devices are designed to handle, convey and store sensitive information that requires varying degrees of security from protecting low level administrative to classified and top secret information. In addition, the information and data can reside in an...

Articles : Electronics & Computers
VPX-SC N-dimensional Supercomputing Architectures Come To The Critical Embedded Systems Market

From the first computers of the 1940s through the machines of the 1990s, all computer systems were CPUbound. In other words, the I/O interfaces could deliver more data than the CPU could process. In the 1990s Moore’s Law took over and clock speeds...

Application Briefs : Motion Control
Motion Controllers as Data Acquisition and Testing Tools

Manufacturers often need to test their products to verify that they meet customer specifications, and provide the data that verifies specification compliance. This is particularly true when government contracts are involved, public money is being spent, and public safety is an issue....

Briefs : Mechanical & Fluid Systems
Compact, Low-Force, Low-Noise Linear Actuator

Actuators are critical to all the robotic and manipulation mechanisms that are used in current and future NASA missions, and are also needed for many other industrial, aeronautical, and space activities. There are many types of actuators that were designed to operate as linear or rotary motors, but...

Briefs : Robotics, Automation & Control
Ultra-Compact Motor Controller

This invention is an electronically commutated brushless motor controller that incorporates Hall-array sensing in a small, 42-gram package that provides 4096 absolute counts per motor revolution position sensing. The unit is the size of a miniature hockey puck, and is a 44-pin male connector that provides many I/O...

Articles : Imaging
A Guide to Stereovision and 3D Imaging

3D imaging technology has come a long way from its roots in academic research labs, and thanks to innovations in sensors, decreasing cost of components, and the emergence of 3D functions in software libraries, 3D vision is now appearing in a variety of machine automation applications. From vision-guided...

Articles : Research Lab
NASA Technology Transfer: The Impact of Innovation

Over the course of its history, NASA has nurtured partnerships with the private sector to facilitate the transfer of NASA-developed technologies. The benefits of these partnerships have reached throughout the economy and around the globe. The resulting commercial products have contributed to the...

Application Briefs : Electronics & Computers
Flight Hardware Delivered for Magnetospheric Multiscale Mission

Lockheed Martin Space Systems Advanced Technology Center (ATC) has completed delivery of hardware subsystems for NASA’s Magnetospheric Multiscale (MMS) Mission. The delivery comprised four flight subsystems and one flight spare unit. The prime contractor, Southwest Research...

Application Briefs : Physical Sciences
ISS Experiment Studies Flames and Fire Suppression in Space

A combustion experiment jointly designed by scientists and engineers at NASA’s Glenn Research Center (Cleveland, OH) and the Universities Space Research Association (USRA) is currently in operation onboard the International Space Station (ISS). The Burning and Suppression of Solids...

Articles : Automotive
Do-It-Yourself Additives Recharge Auto Air Conditioning

Having your car’s air conditioner lose its cool on a hot day can make for an uncomfortable ride. A breakdown in thermal control in space is far more than a matter of comfort; on the Moon, for example, the temperatures can reach a scorching 260 °F during the day. In planning for future...

Products : Robotics, Automation & Control
Servo Control System

The MESA 7I77 card set from Mesa Electronics (Richmond, CA) is a FPGA-based, 6-axis analog control system for CNC, industrial automation retrofits, and OEM systems. Six axes of analog outputs and encoder inputs are sufficient for up to 5-axis machines plus spindle control. Encoder inputs are individually programmable for TTL...

Products : Motion Control
Diaphragm Pump

The 118Z Series pressure/vacuum oil-less diaphragm pump from Thomas Division (Sheboygan, WI) provides a low-vibration design that utilizes a lightweight nylon housing and end cap that limit the pump’s weight to 4.4 pounds. It features a 24V brushless DC motor.

Products : Motion Control
Slotless Frameless Motors

Applimotion (Loomis, CA) has introduced new models of the UTS slotless frameless direct drive motors in sizes from 12 mm to 300 mm diameter. The motors feature zero cogging and sinusoidal torque curves. With large through holes and thin radial cross-section, the frameless kits integrate into gimbal, rotary stage, or...

Products : Robotics, Automation & Control
Electromagnetic Machine Software

SPEED 2012 software from CDadapco (Melville, NY) consists of five machine programs: PC-BDC (Brushless PM Motors), PC-IMD (Induction Motors), PCDCM (DC Brush Motors), PC-WFC (DC and AC Wound Field Motors), and PC-SRD (Switched Reluctance Motors). Each program is intended for designing and calculating a range of...

Products : Robotics, Automation & Control
Variable Speed Drive

The Drives & Motion Division of Yaskawa America (Waukegan, IL) has released the P1000 variable speed drive that provides control for variable-torque loads through 500. Configuration tools include a multi-language LCD display with a real-time clock, parameter storage, fan and pump application presets, and a portable USB copy...

Products : Motion Control
Synchronous Motors

Bauer Gear Motor, an Altra Industrial Motion Company (South Beloit, IL), offers a range of permanent magnet synchronous motors (PMSM). The motors employ a rotor design that integrates embedded permanent magnets made from the rareearth material, instead of the squirrel-cage rotor found in induction motors. The motors offer high...

Products : Motion Control
Rotary Stages

Aerotech (Pittsburgh, PA) offers the MPS-GR series rotary stages available in two sizes: the MPS50GR and MPS75GR. They incorporate wormgear drive and bearing components for repeatable positioning, and are available with DC servo or stepper motors and either a 20-mm (MPS50GR) or 30-mm (MPS75GR) clear aperture. The clear aperture...

Products : Motion Control
Measuring Wheel Encoder

Baumer (Southington, CT) offers the MA20 measuring wheel encoder for flexible position and speed feedback for conveyor systems. The two-in-one device combines a high-resolution optical incremental encoder and a precise measuring wheel. Capable of resolutions as high as 25,000 ppr, the encoder provides precise measuring...

Products : Motion Control
Linear Stages

PI (Physik Instrumente) LP (Auburn, MA) offers PI miCos precision linear stages. More than 20 product families are available, including miniature translation stages and positioning ranges of 40-mm to high load, and linear translation stages for travel ranges to 1 meter. The motorized precision positioners come in a variety of...

Products : Motion Control
Hydraulic Relay Valves

MICO (North Mankato, MN) offers hydraulic-over-air relay valves designed to convert hydraulic modulated input pressure to a proportional output air pressure. The relay valves are suited for various on- and off-highway applications, such as controlling an air-braked trailer with a hydraulically braked towing vehicle that...

Products : Motion Control
MEMS Accelerometer

Silicon Designs (Kirkland, WA) has introduced the model 2276 accelerometer with four-wire threaded removable connector. It offers continuous operation to +125°C (+250°F) when used with an 8-32V power supply. It is designed for zero- to medium-frequency applications, offering integral amplification and high-drive,...

Products : Robotics, Automation & Control
Sensorless Motor Driver

Koford Engineering (Winchester, OH) offers the S24V30A sensorless motor driver with 37 kHz pwm frequency for use with standalone, digital, or analog operation. The drive has no minimum inductance and will operate slotless or ironless brushless motors without the need for inductors. The drives can be operated in standalone...

Products : Robotics, Automation & Control
Load Carrier

Amacoil (Aston, PA) has introduced a linear bearing slide load carrier to enhance the load carrying efficiency of Uhing traverse drives and to prevent them from slipping. The load carrier protects the rolling ring bearings from undue wear by assuring that weight and radial forces are not transmitted to the shaft-bearing interface....

Products : Robotics, Automation & Control

Myostat Motion Control (Newmarket, ON, Canada) offers the HY series Hyphoid right angle gearboxes. Suitable for input torques between 76 N-CM and 357 N-CM, the gearboxes offer a high gear ratio in a small footprint. They are available in 5:1 and 10:1 ratios, with optional motor combinations and with sealed shafts.

Products : Motion Control
Pump Vanes/Rotors/End Plates

Metallized Carbon Corp. (Ossining NY) offers custom vanes, rotors, and end plates for use in rotary vane pumps pumping both liquids and gases. The carbongraphite components provide lubrication in most environments, and are suited for pumping liquids with poor lubricating qualities, strong chemicals that attack...

Products : Robotics, Automation & Control
Position Transducer

The Micropulse® Generation 7 linear position transducer line from Balluff (Florence, KY) includes models with SSI Synchronous Serial Interface. Micropulse SSI-output transducers interface with control systems from manufacturers such as Allen-Bradley, Delta Computer, Siemens, Bosch Rexroth, and others. With position...

Products : Robotics, Automation & Control

Accuride (Santa Fe Springs, CA) has released the Model 3357, a slide that offers 1" over-travel and a latch disconnect. It carries medium-duty loads up to 150 pounds, and provides full access to storage drawers and trays in industrial workstations and machinery, medical equipment, and electronic enclosures. The slide is available in even...

Product of the Month: The NI PXIe-5644R RF Vector Signal Transceiver

National Instruments, Austin, TX, has introduced the NI PXIe-5644R RF vector signal transceiver (VST), the first software-designed instrument that combines a vector signal generator and vector signal analyzer with a user-programmable FPGA into a single PXI modular instrument....

Techs for License
Polymer Indicator Monitors Spoilage

The Fresh Stripe multi-layer indicator for meats is manufactured or incorporated into packaging using conventional roll-to-roll processes. The polymer layer biodegrades at a predictable rate in the presence of the same hydrolytic bacterial enzymes that degrade meat. As the indicator degrades, it changes...

Techs for License
Holographic Technology Offers Robust Authentication

A new security technology provides a hologram invisible to the naked eye. The tool requires viewing with a prism to discover the holographic image. The product also supplies a primary and complementary hologram for applications where visibility is required or desired. Both approaches offer...

NASA Tech Needs
Heat-Seal Adhesive

A new food-grade heat-seal adhesive is needed for roll-coated film lids. New chemistries must be formulated into a waterbased matrix to seal transparent film onto plastic trays containing food or medical materials. The organization deals primarily with polyester films (APET/CPET) and trays, and containers made from polystyrene...

NASA Tech Needs
Corrugate Reduction

An organization wants to use less corrugate in its shipping operations. Unique designs or processes must reduce the amount of corrugate material required, while maintaining the same level of protection for the products being shipped. Replacing corrugate with another material may be considered, but the replacement material...

Who's Who
Dr. Neil Cheatwood, IRVE-3 Principal Investigator, NASA Langley Research Center, Hampton, VA

Neil Cheatwood is principal investigator of the Inflatable Reentry Vehicle Experiment (IRVE-3). In July, the IRVE-3 team tested an inflatable heat shield that protects spacecraft from extreme temperatures and hypersonic speeds when entering a planet's...

Dr. Neil Cheatwood, IRVE-3 Principal Investigator, NASA Langley Research Center, Hampton, VA

Neil Cheatwood is principal investigator of the Inflatable Reentry Vehicle Experiment (IRVE-3). In July, the IRVE-3 team tested an inflatable heat shield that protects spacecraft from extreme temperatures and hypersonic speeds when entering a planet's...


Blog: Mechanical & Fluid Systems

Create the Future: Water Desalination, Powered by Waves

Briefs: Mechanical & Fluid Systems

New Airplane Wing Assembled from Tiny Identical Pieces

Blog: Robotics, Automation & Control

By the Lake, a Flying-Fish Robot Takes Off

Podcasts: Sensors/Data Acquisition

Here's an Idea: Car Hacking

Blog: Mechanical & Fluid Systems

Answering Your Questions: Why Land on the South Pole of the Moon?

NASA Spinoff: Research Lab

Ringing of a Newborn Black Hole