October 2012

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...

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...

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...

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...

Structural health monitoring (SHM) is one of the most important tools available for the maintenance, safety, and integrity of aerospace structural systems. Lightweight,...

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: Electronics & Computers
Radiation-Tolerant DC-DC Converters

A document discusses power converters suitable for space use that meet the DSCC MIL-PRF-38534 Appendix G radiation hardness level P classification. A method for qualifying commercially produced electronic parts for DC-DC converters per the Defense Supply Center Columbus (DSCC) radiation hardened assurance...

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...

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...

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...

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...

Briefs: Motion 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...

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...

News
Biocompatible, Eco-Friendly Electronics Dissolve in Liquid

This DARPA video shows how a new class of electronics can safely dissolve into small amounts of liquid. Transient electronics are electronic systems and components that use ultrathin sheets of silicon and magnesium encapsulated in silk.

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...

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...

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...

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...

Products: Motion 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...

Products: Robotics, Automation & 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....

Products: Robotics, Automation & 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...

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...

Products: Motion 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...

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...

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...

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...

Products: Robotics, Automation & 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...

Products: Robotics, Automation & 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...

Products: Robotics, Automation & 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...

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...

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...

Products: Motion Control
Gearboxes

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...

Products: Robotics, Automation & 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...

Products: Motion 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...

Products: Robotics, Automation & Control
Slide

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...

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...

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...

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...

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...

Neil Cheatwood is principal investigator of the Inflatable Reentry Vehicle Experiment (IRVE-3). In July, the IRVE-3 team tested an inflatable heat...

Podcasts
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...

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...

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...

A three-frequency millimeter-wave feed horn was developed as part of an advanced component technology task that provides components necessary for higher-frequency radiometers to meet the...

Briefs: Electronics & Computers
Online Cable Tester and Rerouter

Hardware and algorithms have been developed to transfer electrical power and data connectivity safely, efficiently, and automatically from an identified damaged/defective wire in a cable to an alternate wire path. The combination of online cable testing capabilities, along with intelligent signal rerouting...

Briefs: Electronics & Computers
Inverted Three-Junction Tandem Thermophotovoltaic Modules

An InGaAs-based three-junction (3J) tandem thermophotovoltaic (TPV) cell has been investigated to utilize more of the blackbody spectrum (from a 1,100 °C general purpose heat source — GPHS) efficiently. The tandem consists of three vertically stacked subcells, a 0.74-eV InGaAs cell, a...

Briefs: Electronics & Computers
Capacitance Probe Resonator for Multichannel Electrometer

A multichannel electrometer voltmeter has been developed that employs a mechanical resonator with voltage-sensing capacitance-probe electrodes that enable high-impedance, high-voltage, radiation-hardened measurement of an Internal Electrostatic Discharge Monitor (IESDM) sensor. The IESDM...

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...

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...

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...

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/...

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,...

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...

News
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.

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...

News
Chemists 'Draw' Carbon Nanotube Sensors

MIT chemists designed a new type of pencil lead consisting of carbon nanotubes, which can be drawn onto sheets of paper. The carbon nanotube sensors offer a powerful new way to detect harmful gases in the environment.

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...

News
New X-Ray Detector Could Advance War On Breast Cancer

A slice of light is about to come into focus for the first time, thanks to a new X-ray detector constructed at the University of South Carolina. And according to Krishna Mandal, the associate professor of electrical engineering who led the team that built it, the detector offers tremendous...

News
New Method Simulates Fluid in Motion

A new dynamic simulation method provides precise simulation of fluid materials. The technique distinguishes itself significantly from known simulation methods which use mesh structures where the vertices are locked in a fixed position.

In the new process, the mesh structure is replaced by a dynamic...

News
Mobile NASA App, QuakeSim Win NASA's 2012 Software of the Year

NASA's first mobile application and software that models the behavior of earthquake faults to improve earthquake forecasting and the understanding of earthquake processes are co-winners of NASA's 2012 Software of the Year Award. The award recognizes innovative software technologies...

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...

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...

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...

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...

News
Intuitive Visual Control Provides Faster Remote Operation of Robots

Using a novel method of integrating video technology and familiar control devices, a research team from Georgia Tech and the Georgia Tech Research Institute (GTRI) is developing a technique to simplify remote control of robotic devices.

News
Handheld 3D Imaging Scanner Helps Doctors Diagnose Chronic Conditions

In the operating room, surgeons can see inside the human body in real time using advanced imaging techniques, but primary care physicians, the people who are on the front lines of diagnosing illnesses, haven't commonly had access to the same technology until now. Engineers...

News
Ultrathin Flat Lens Could Enable Smartphones as Thin as a Credit Card

Scientists at Harvard University, Texas A&M, and two Italian universities are reporting development of a revolutionary new lens — flat, distortion-free, and so small that more than 1,500 would fit across the width of a human hair — capable in the future of replacing lenses...

News
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...

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...

News
World’s Most Powerful Digital Camera Records First Images of Ancient Light

Eight billion years ago, rays of light from distant galaxies began their long journey to Earth. That ancient starlight has now found its way to a mountaintop in Chile, where the newly constructed Dark Energy Camera, the most powerful sky-mapping machine ever created,...

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...

News
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
Army Developing New Fixed-Wing Aircraft on a Common Platform

The Army is refining an initial capabilities document for a new fixed-wing utility aircraft that is designed to replace more than 112 airframes with a common platform. The new platform should be able to perform a range of key mission sets and services.

News
Potential New “Green” Anti-Corrosion Agent for the Aerospace Industry

The search for a “greener” way to prevent corrosion on the kind of aluminum used in jetliners, cars and other products has led scientists to an unlikely source, according to a report in ACS’ journal Industrial & Engineering Chemistry Research. It’s the juice of the...

News
New Airport System Helps Pilots Avoid Turbulence

For airline passengers who dread bumpy rides to mountainous destinations, help may be on the way. A new turbulence avoidance system has, for the first time, been approved for use at a U.S. airport, and can be adapted for additional airports in rugged settings across the United States and...

News
Navy Looks to Seawater to Fuel the Fleet

Refueling U.S. Navy vessels, at sea and underway, is a costly endeavor in terms of logistics, time, fiscal constraints, and threats to national security and sailors at sea.

News
Counter-IED Software Developed at West Point Supports Warfighters

Three West Point cadets spent part of their summer secluded in a locked research lab with its windows blackened. Their project involved a new piece of software that can identify the location of weapons caches in theater using a mathematical model, based on the research theory of...

News
NASA’s Crew Access Arm Uses New and Heritage Technologies

NASA Kennedy Space Center’s Ground Systems Development and Operations Program engineers in Florida are combining heritage technology and new innovations to design the crew access arm for the tower on the mobile launcher that will be used for NASA’s Orion spacecraft atop the Space...

News
Device Boosts Navy's Ability to Inspect and Repair Aircraft Engines

The Naval Air Systems Command has developed a device that is doing for aircraft inspections what colonoscopies have done for cancer detection.

News
Off-the-Shelf Helicopters Adapted for Military and Commercial Use

What amounts to serious scientific research could, at first glance, be mistaken for students at The University of Alabama in Huntsville letting off a little stress with radio-controlled helicopters.

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...

News
Self-Charging Power Cell Converts and Stores Energy

Researchers have developed a self-charging power cell that directly converts mechanical energy to chemical energy, storing the power until it is released as electrical current. By eliminating the need to convert mechanical energy to electrical energy for charging a battery, the new hybrid...

News
Researchers Study Nickel’s Impact On Li-ion Battery Electrodes

Anyone who owns an electronic device knows that lithium ion batteries could work better and last longer. Now, scientists examining battery materials on the nano-scale reveal how nickel forms a physical barrier that impedes the shuttling of lithium ions in the electrode, reducing...

News
Doctoral Student Is Developing Next Generation of Lithium-ion Batteries

According to Steven Arnold Klankowski, a doctoral candidate in chemistry at Kansas State University, sometimes even batteries can use a boost of energy. Klankowski is working under Jun Li, professor of chemistry, to develop new materials that could be used in future...

News
NASA-WPI Competition Seeks Robotic Navigation Technologies

NASA and the Worcester Polytechnic Institute (WPI) in Worcester, Mass., have opened registration and are seeking teams to compete in next year's robot technology demonstration competition, which offers as much as $1.5 million in prize money.

News
Par-Par Programming Language Improves Liquid-Handling Robots

For researchers in the biological sciences, the future training of robots has been made much easier thanks to a new program called “PaR-PaR.” Nathan Hillson, a biochemist at the U.S. Department of Energy (DOE)’s Joint BioEnergy Institute (JBEI), led the development of PaR-PaR,...

News
NASA Engineers Test Rotor Landing for Capsules

A team of researchers brought a pair of scale model space capsules to the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida to try out a rotor system that could be used in place of parachutes on returning spacecraft.

News
Soft Autonomous Robot Inches Along Like an Earthworm

Earthworms creep along the ground by alternately squeezing and stretching muscles along the length of their bodies, inching forward with each wave of contractions in a process called peristalsis. Now researchers at MIT, Harvard University, and Seoul National University have engineered a soft...

News
Precision Motion Tracking, Thousands of Cells at a Time

UCLA researchers have developed a new way to observe and track large numbers of rapidly moving objects under a microscope, capturing precise motion paths in three dimensions. Researchers followed 24,000 rapidly moving cells over wide fields of view and through large sample volumes,...

News
Groundbreaking Research Behind Engineering Photography Competition

View the winning entries of the 2012 Photography Competition at the University of Cambridge Department of Engineering, which was sponsored by optical systems manufacturer Carl Zeiss, and learn about the fascinating stories behind them.

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)...

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