Briefs: Materials
Methods and Compositions Based on Culturing Microorganisms in Low Sedimental Fluid Shear Conditions

The benefits of applying a low sedimental fluid shear environment to manipulate microorganisms were examined. Microorganisms obtained from a low sedimental fluid shear culture, which exhibit modified phenotypic and molecular genetic...

Briefs: Physical Sciences
Maturation of Structural Health Management Systems for Solid Rocket Motors

An autonomous and automated spacecompliant diagnostic system concept was developed for condition-based maintenance (CBM) of rocket motors for space exploration vehicles. The system will provide real-time information on the integrity of critical structures on launch...

Briefs: Physical Sciences
Imaging System Aperture Masks for Image Plane Exit Pupil Characterization

Imaging system exit pupil characteristics are typically difficult and expensive to measure directly. In most cases, the exit pupil in an optical system is a virtual image of the system’s aperture stop and requires additional powered optical elements, such as lenses and...

Briefs: Physical Sciences
Nanostructure Sensing and Transmission of Gas Data

This system provides one or more sensors for selected chemicals (all using nanostructure sensors with small physical sizes), one or more sensors for physical parameters (e.g. voltage or current), a multiplexer to receive and interleave the measured data stream values from the sensors according...

Briefs: Information Technology
Secure Peer-to-Peer Networks for Scientific Information Sharing

The most common means of remote scientific collaboration today includes the trio of e-mail for electronic communication, FTP for file sharing, and personalized Web sites for dissemination of papers and research results. With the growth of broadband Internet, there has been a desire...

Briefs: Information Technology
High-Rate Data-Capture for an Airborne Lidar System

A high-rate data system was required to capture the data for an airborne lidar system. A data system was developed that achieved up to 22 million (64-bit) events per second sustained data rate (1408 million bits per second), as well as short bursts (

Briefs: Information Technology
Multiplexer/Demultiplexer Loading Tool (MDMLT)

The purpose of the MDMLT is to improve the reliability and speed of loading multiplexers/ demultiplexers (MDMs) in the Software Development and Integration Laboratory (SDIL) by automating the configuration management (CM) of the loads in the MDMs, automating the loading procedure, and providing the...

Briefs: Information Technology
Foam-on-Tile Damage Model

An impact model was developed to predict how three specific foam types would damage the Space Shuttle Orbiter insulating tiles. The inputs needed for the model are the foam type, the foam mass, the foam impact velocity, the foam impact incident angle, the type being impacted, and whether the tile is new or aged (has...

Briefs: Mechanical & Fluid Systems
Instrument Package Manipulation Through the Generation and Use of an Attenuated-Fluent Gas Fold

This document discusses a technique that provides a means for suspending large, awkward loads, instrument packages, components, and machinery in a stable, controlled, and precise manner. In the baseplate of the test machine, a pattern of grooves and...

Briefs: Physical Sciences
Multicolor Detectors for Ultrasensitive Long-Wave Imaging Cameras

A document describes a zeptobolometer for ultrasensitive, long-wavelength sensors. GSFC is developing pixels based on the zeptobolometer design that sense three THz wavelengths simultaneously.

Briefs: Electronics & Computers
Lunar Reconnaissance Orbiter (LRO) Command and Data Handling Flight Electronics Subsystem

A document describes a high-performance, modular, and state-of-the-art Command and Data Handling (C&DH) system developed for use on the Lunar Reconnaissance Orbiter (LRO) mission. This system implements a complete hardware C&DH subsystem in a single chassis...

Briefs: Physical Sciences
Electro-Optic Segment- Segment Sensors for Radio and Optical Telescopes

A document discusses an electro-optic sensor that consists of a collimator, attached to one segment, and a quad diode, attached to an adjacent segment. Relative segment-segment motion causes the beam from the collimator to move across the quad diode, thus generating a...

Products

Saelig Company, Pittsford, NY, has introduced WiPry-Combo, a dynamic power meter and spectrum analyzer accessory for the iPad, iPod Touch, and iPhone. It turns an iOS device into an ultra-portable spectrum...

Articles: Automotive

The Ford Focus Electric is the industry’s first car to feature 100 percent sustainable clean technologies in interior materials, including seat fabrics with Unifi’s REPREVE®-branded fiber made...

Application Briefs: Sensors/Data Acquisition

NASA is currently validating the Orion spacecraft design for human spaceflight. Three systems developed by G Systems were used for testing the new Multi-Purpose Crew Vehicle...

Application Briefs: Materials

The James Webb Space Telescope (JWST) will observe primarily the infrared light from faint and very distant objects. But all objects, including telescopes, also emit infrared...

Articles: Aerospace

The Marshall Space Flight Center (MSFC), located in Huntsville, AL, became a NASA field center on July 1, 1960. Since then, Marshall has provided the agency with the mission-critical design, development, and...

Techs for License
Biodegradable Silica Gel Fiber Regenerates Cell Tissue

An inorganic, biodegradable silica gel fiber (SGF) acts as a physical scaffold to aid the growth of new cells and the collagen structure that supports them. As a scaffold, it can also be used to deliver drugs over a wide area to aid in healing. The material is integrated into the tissues and...

Techs for License
Nozzle Produces Ultrafine Droplets

Energy-saving nozzles offer droplet sizes down to 25 microns, at operating pressures as low as 100 psi. Nozzle passages, including metering slots, spin chambers, and exit orifices, are designed to minimize pressure drop, resulting in conservation of pump energy up to the exit orifice.

Tech Needs
Indoor Air Quality Improvements

A company wants to decrease the frequency and severity of respiratory illness in homes with adults, teens, and children. Affordable indoor air quality improvement solutions must be provided to consumers via an air purification device. The client seeks a third-party partner who can offer a currently commercialized/...

Tech Needs
Air and Moisture Removal Within Closed Containers

Many types of food spoilage are slowed when air and moisture are removed from around the food. Current removal solutions, however, are expensive, take up too much space, and require complicated processes. A new technology must remove air and moisture with the single push of a button. Any proposed...

Briefs: Photonics/Optics
Optical Communications Receiver

Specialized mixed-signal (radio frequency and digital) hardware and processing techniques are employed to enable processing of the multi-GHz signal bandwidth, along with the instruction of an inter-symbol guard time (ISGT) to facilitate synchronization to the received pulse-position modulation (PPM) signal.

Briefs: Photonics/Optics
Low-Noise, Large-Area Quad Photoreceivers Based on Low-Capacitance Quad Photodiodes

The Laser Interferometry Space Antenna’s (LISAs) scientific mission to detect gravity waves demands stringent noise limits on the system components, especially the large-area quad photoreceiver front end, for ultra-high-precision (≈10 pm/Hz1/2)...

Briefs: Photonics/Optics
Wavefront Sensing Analysis of Grazing Incidence Optical Systems

Wavefront sensing is a process by which optical system errors are deduced from the aberrations in the image of an ideal source. The method has been used successfully in near-normal incidence, but not for grazing incidence systems. This innovation highlights the ability to examine...

Briefs: Photonics/Optics
RxGen General Optical Model Prescription Generator

RxGen is a prescription generator for JPL’s in-house optical modeling software package called MACOS (Modeling and Analysis for Controlled Optical Systems), which is an expert optical analysis software package focusing on modeling optics on dynamic structures, deformable optics, and controlled...

Articles: Photonics/Optics

Lensed and tapered specialty fibers are designed to optimize coupling between the fiber and various optical components such as edge-emitting laser...

Application Briefs: Photonics/Optics

Innovation, demand, and falling prices have resulted in high quality large format commercial-off-the-shelf (COTS) LCD displays moving from the living room to high availability, mission...

Products: Photonics/Optics

Heliatek GmbH (Dresden, Germany) has developed 1.1 cm² tandem cells manufactured with a low temperature deposition process that have an efficiency of 9.8 %, a new world record for organic solar cells. The percentage was...

Products: Photonics/Optics

The ELIO® AQ metal adapter from Souriau (York, PA) enables a standard ELIO® optical contact to be inserted into the size-8 Quadrax cavity of several connector types. The ELIO® AQ adapter is already available for connectors...

Videos