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Briefs: Physical Sciences
Green PCB Removal From Sediment Systems (GPRSS)
John F. Kennedy Space Center, Florida A number of NASA centers have used polychlorinated biphenyl (PCB)-containing materials that have subsequently ended up in surrounding sediment systems. Each center is evaluating remediation technologies that may have application to their environmental problems;...
Briefs: Physical Sciences
Existing observing systems are inadequate to measure a variety of dynamic atmospheric processes. Ground-based or airborne systems do not observe over sufficiently large regions to capture the...
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News: Energy
New Battery Technology Employs Multifunctional Materials
Researchers at the University of Delaware have discovered that fragmented carbon nanotube films can serve as adhesive conductors in lithium-ion batteries.“The problem with the current technology is that the binders impair the electrochemical performance of the battery because of their...
Who's Who: Physical Sciences
Dr. Vadim Smelyanskiy, Principal Scientist, Ames Research Center, Moffett Field, CA
Dr. Vadim Smelyanskiy is a principal scientist for physics-based methods in the Exploration Technology Directorate at NASA Ames Research Center. During his tenure at NASA, he has been the principal investigator on several projects funded by NASA and other government...
Briefs: Physical Sciences
In order to study atmospheric or evolved gases, it is highly advantageous for an instrument (e.g. mass spectrometer (MS), thermal conductivity detector (TCD)) to simplify the gas stream with a...
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Briefs: Physical Sciences
Simulation of Charge Carrier Mobility in Conducting Polymers
Electric conduction in polymers is one of the key elements in avoiding catastrophic internal electrostatic discharge in dielectrics during space missions. This software package enables the simulation of carrier mobility for any given site concentration, which is a material design...
Briefs: Physical Sciences
Until the time of this reporting, when a space vehicle required a reference signal for inertial pointing, the choices were a signal beacon from an Earth location, the Earth...
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Briefs: Sensors/Data Acquisition
The study of driver behavior can provide a wealth of information that can be useful in the design of automobiles including active safety features and functions. There...
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Briefs: Physical Sciences
Variable Camber Aerodynamic Control Surfaces and Active Wing Shaping Control
A new concept of aircraft aerodynamic control surfaces has been developed in connection with another new concept of active wing shaping control for reducing aircraft drag that will result in less fuel burn. The first concept is referred to as a variable camber continuous...
Briefs: Imaging
Technique for Finding Retro-Reflectors in Flash LIDAR Imagery
Orbital rendezvous and docking of two spacecraft is a topic of continued interest to NASA. For crewed missions, it is frequently the case that the target is cooperative (i.e., is equipped with some sort of navigation aid). If one of the relative navigation instruments is a Flash LIDAR,...
Briefs: Physical Sciences
Novel Hemispherical Dynamic Camera for EVAs
A novel optical design for imaging systems is able to achieve an ultra-wide field of view (UW-FOV) of up to 208°. The design uses an integrated optical design (IOD). The UW-FOV optics design reduces the wasted pixels by 49% when compared against the baseline fisheye lens. The IOD approach results in a...
Briefs: Test & Measurement
An ultrasonic intake airflow meter for engine testbed applications was developed. An automotive intake airflow meter must fulfill a series of requirements differentiating it from typical ultrasonic...
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News: Physical Sciences
Fire Ants Inspire New Energy Storage Process
U.S. Army-sponsored researchers at Georgia Tech have discovered a process for simultaneously storing and dissipating energy within structures that could lead to design rules for new types of active, reconfigurable materials for structural morphing, vibration attenuation and dynamic load mitigation. In...
Briefs: Physical Sciences
Convex Hull-Based Plume and Anomaly Detection
A number of deep space missions have imaged plumes at Io, Enceladus, and other smaller bodies. These phenomena provide valuable information regarding these bodies. To date, this imagery has been captured fortuitously. The ability to utilize onboard processing to conduct campaigns capturing large numbers...
Briefs: Sensors/Data Acquisition
This research provides a capacitance-based method for monitoring the integrity of tires and other polymeric products during manufacturing and throughout the useful product...
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Briefs: Sensors/Data Acquisition
Blade health monitoring continues to gain interest as a means of assessing the health of turbine airfoils in aerospace and ground-based gas turbine engines in fleet operation. Many types...
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Briefs: Physical Sciences
The study of volcanoes is important for both purely scientific and human survival reasons. From a scientific standpoint, volcanic gas and ash emissions...
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Briefs: Physical Sciences
Transition-Edge Hot-Electron Microbolometers for Millimeter and Submillimeter Astrophysics
The millimeter and the submillimeter wavelengths of the electromagnetic spectrum hold a wealth of information about the evolution of the universe. In particular, cosmic microwave background (CMB) radiation and its polarization carry the oldest information in...
Briefs: Software
Deployable Fresnel rings (DFRs) significantly enhance the realizable gain of an antenna. This innovation is intended to be used in combination with another antenna element, as the DFR itself acts as a focusing or...
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Briefs: Physical Sciences
V-Assembly Dual-Head Efficiency Resonator (VADER) Laser Transmitter
A complete demonstration breadboard unit for advanced development as a high-TRL (technology readiness level) system has been constructed and characterized. Infusion of several new component technologies, such as ceramic:YAG material and high-power laser diode arrays (LDAs),...
Briefs: Physical Sciences
The NASA Solar Probe Plus (SPP) mission will fly into the Sun’s corona, reaching as close as 9.86 solar radii from the center of the Sun. Power generation for the spacecraft will be...
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Briefs: Physical Sciences
Optical Tunable-Based Transmitter for Multiple High-Frequency Bands
The purpose of this innovation is to be able to deliver, individually or simultaneously, multiple microwave high-frequency bands including, but not limited to, L (1.5 GHz), C (7 GHz), X (8.4 GHz), Ku (14.5 GHz), Ka (32 GHz), and Q (38 GHz) frequencies at high data rates and with...
Briefs: Physical Sciences
Twin Head Efficient Oscillator Development for the ACE Multi- Beam Lidar and 3D-Winds
The Twin Head Efficient Oscillator (THEO) concept uses a pair of smaller, identical laser pump modules, oriented to remove asymmetrical thermo-optical effects typical in single-slab lasers such as HOMER (High Output Maximum Efficiency Resonator), MLA (Mercury...
Briefs: Photonics/Optics
Planetary Polarization Nephelometer
Aerosols in planetary atmospheres have a significant impact on the energy balance of the planets, yet are often poorly characterized. An in situ instrument was developed that would provide more diagnostic information on the nature of aerosols it encountered if deployed on a planetary descent probe. Previous probe...
Briefs: Physical Sciences
Scatter-Reducing Sounding Filtration Using a Genetic Algorithm and Mean Monthly Standard Deviation
Retrieval algorithms like that used by the Orbiting Carbon Observatory (OCO)-2 mission generate massive quantities of data of varying quality and reliability. A computationally efficient, simple method of labeling problematic data points or predicting...
Briefs: Physical Sciences
Global Positioning System (GPS) meteorology provides enhanced density, low-latency (30-min resolution), integrated precipitable water (IPW) estimates to NOAA NWS (National...
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Briefs: Physical Sciences
Cryogenic Liquid Sample Acquisition System for Remote Space Applications
There is a need to acquire autonomously cryogenic hydrocarbon liquid sample from remote planetary locations such as the lakes of Titan for instruments such as mass spectrometers. There are several problems that had to be solved relative to collecting the right amount of...
Briefs: Sensors/Data Acquisition
Integrating a Microwave Radiometer into Radar Hardware for Simultaneous Data Collection Between the Instruments
The conventional method for integrating a radiometer into radar hardware is to share the RF front end between the instruments, and to have separate IF receivers that take data at separate times. Alternatively, the radar and radiometer...
Briefs: Sensors/Data Acquisition
High-Speed Data Recorder for Space, Geodesy, and Other High-Speed Recording Applications
A high-speed data recorder and replay equipment has been developed for reliable high-data-rate recording to disk media. It solves problems with slow or faulty disks, multiple disk insertions, high-altitude operation, reliable performance using COTS hardware,...

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