Stories
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Briefs: Software
Surface Temperature Data Analysis
Small global mean temperature changes may have significant to disastrous consequences for the Earth’s climate if they persist for an extended period. Obtaining global means from local weather reports is hampered by the uneven spatial distribution of the reliably reporting weather stations. Methods had to be...
Briefs: Physical Sciences
In-Situ Wire Damage Detection System
An In-Situ Wire Damage Detection System (ISWDDS) has been developed that is capable of detecting damage to a wire insulation, or a wire conductor, or to both. The system will allow for real-time, continuous monitoring of wiring health/integrity and reduce the number of false negatives and false positives while...
Briefs: Electronics & Computers
The objectives of this work were to take the initial steps needed to develop a field programmable gate array (FPGA)- based wideband digital radiometer backend (>500 MHz bandwidth) that will enabl...
Briefs: Electronics & Computers
Amplifier Module for 260-GHz Band Using Quartz Waveguide Transitions
Packaging of MMIC LNA (monolithic microwave integrated circuit low-noise amplifier) chips at frequencies over 200 GHz has always been problematic due to the high loss in the transition between the MMIC chip and the waveguide medium in which the chip will typically be used. In...
Briefs: Manufacturing & Prototyping
Buckyball Nucleation of HiPco Tubes
The purpose of this innovation is to enhance nucleation of single-wall nanotubes (SWNTs) in the HiPco process, selectively producing 10,10 tubes, something which until now has not been thought possible.
Briefs: Manufacturing & Prototyping
The Flexible Array Concentrator Technology (FACT) is a lightweight, high-performance reflective concentrator blanket assembly that can be used on flexible solar array blankets. The FACT concentrator replaces every...
Podcasts
Dr. Greg Chavers, Test Lead, Marshall Space Flight Center, Huntsville, AL
Dr. Greg Chavers, test lead at the Marshall Space Flight Center in Huntsville, Alabama, helped to design the “Mighty Eagle” robotic prototype lander. The vehicle, which can guide itself to a specified target, flew “open loop” to an altitude of 100 feet in late August.
Briefs: Materials
Adjusting Permittivity by Blending Varying Ratios of SWNTs
A new composite material of singlewalled carbon nanotubes (SWNTs) displays radio frequency (0 to 1 GHz) permittivity properties that can be adjusted based upon the nanotube composition. When varying ratios of raw to functionalized SWNTs are blended into the silicone elastomer matrix at a...
Briefs: Materials
Polyolefin-Based Aerogels
An organic polybutadiene (PB) rubber-based aerogel insulation material was developed that will provide superior thermal insulation and inherent radiation protection, exhibiting the flexibility, resiliency, toughness, and durability typical of the parent polymer, yet with the low density and superior insulation properties...
Briefs: Energy
An Integrated, Layered-Spinel Composite Cathode for Energy Storage Applications
At low operating temperatures, commercially available electrode materials for lithium-ion batteries do not fully meet the energy and power requirements for NASA’s exploration activities. The composite cathode under development is projected to provide the required...
Briefs: Materials
Engineered Multifunctional Surfaces for Fluid Handling
Designs incorporating variations in capillary geometry and hydrophilic and/or antibacterial surface properties have been developed that are capable of passive gas/liquid separation and passive water flow. These designs can incorporate capillary grooves and/or surfaces arranged to create linear...
Briefs: Mechanical & Fluid Systems
Concept for Hydrogen-Impregnated Nanofiber/Photovoltaic Cargo Stowage System
A stowage system was conceived that consists of collapsible, reconfigurable stowage bags, rigid polyethylene or metal inserts, stainless-steel hooks, flexible photovoltaic materials, and webbing curtains that provide power generation, thermal stabilization, impact...
Briefs: Mechanical & Fluid Systems
Robots have been a valuable tool for providing a remote presence in areas that are either inaccessible or too dangerous for humans. Having a robot with a high degree of adaptability becomes...
Briefs: Mechanical & Fluid Systems
There is no convenient way to demonstrate mechanically, as an outreach (or inreach) topic, the angular momentum trade-offs and the conservation of angular momentum associated with gravityassist...
Briefs: Physical Sciences
Spectroscopic Chemical Analysis Methods and Apparatus
This invention relates to non-contact spectroscopic methods and apparatus for performing chemical analysis and the ideal wavelengths and sources needed for this analysis. It employs deep ultraviolet (200- to 300-nm spectral range) electron- beam-pumped wide bandgap semiconductor lasers,...
Briefs: Physical Sciences
Motion-Corrected 3D Sonic Anemometer for Tethersondes and Other Moving Platforms
To date, it has not been possible to apply 3D sonic anemometers on tethersondes or similar atmospheric research platforms due to the motion of the supporting platform. A tethersonde module including both a 3D sonic anemometer and associated motion correction sensors...
Briefs: Physical Sciences
Water Treatment Systems for Long Spaceflights
Space exploration will require new life support systems to support the crew on journeys lasting from a few days to several weeks, or longer. These systems should also be designed to reduce the mass required to keep humans alive in space. Water accounts for about 80 percent of the daily mass intake...
Briefs: Physical Sciences
Seismic Imager Space Telescope
A concept has been developed for a geostationary seismic imager (GSI), a space telescope in geostationary orbit above the Pacific coast of the Americas that would provide movies of many large earthquakes occurring in the area from Southern Chile to Southern Alaska. The GSI movies would cover a field of view as long as...
Briefs: Physical Sciences
Low-Cost Phased Array Antenna for Sounding Rockets, Missiles, and Expendable Launch Vehicles
A low-cost beamformer phased array antenna has been developed for expendable launch vehicles, rockets, and missiles. It utilizes a conformal array antenna of ring or individual radiators (design varies depending on application) that is designed to be fed by...
Briefs: Physical Sciences
Microchip Non-Aqueous Capillary Electrophoresis (μNACE) Method to Analyze Long-Chain Primary Amines
A protocol was developed as a first step in analyzing the complex organic aerosols present on Saturn’s moon Titan, as well as the analogues of these aerosols (tholins) made on Earth. Labeling of primary amines using Pacific Blue™ succinimidyl...
Briefs: Physical Sciences
In radiometer applications, it is required to design antennas that meet low average sidelobe levels and low average return loss over a specified frequency bandwidth. It is a...
Briefs: Physical Sciences
Mars Science Laboratory Engineering Cameras
NASA’s Mars Science Laboratory (MSL) Rover, which launched to Mars in 2011, is equipped with a set of 12 engineering cameras. These cameras are build-to-print copies of the Mars Exploration Rover (MER) cameras, which were sent to Mars in 2003. The engineering cameras weigh
Briefs: Information Technology
Estimating Sea Surface Salinity and Wind Using Combined Passive and Active L-Band Microwave Observations
Several L-band microwave radiometer and radar missions have been, or will be, operating in space for land and ocean observations. These include the NASA Aquarius mission and the Soil Moisture Active Passive (SMAP) mission, both of which use...
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) a...
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.
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, recording...
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, which...
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