Tech Needs
Measurement of Oxygen with Sub-PPM

A company is searching for an innovative technology for the measurement of oxygen with sub-ppm resolution. They are seeking a continuous method of measurement or those with cycle times measured in seconds, the ability to measure within a flammable gas such as hydrogen, and a non-consumable device with a long...

Tech Needs
Method for Manufacturing Controlled Open-Cell Silicone Foam

A company is looking for a method to manufacture controlled, ultra-lightweight, open-cell silicone foam. The foam cells must have very similar size, and the foam must be very elastic with a water absorption coefficient of 300-400%. The company is looking for companies able to design or...

Who's Who: Aerospace

Astronaut Drew Feustel is scheduled to fly aboard the Space Shuttle Discovery when it makes what is projected to be the final manned mission to service the Hubble Space Telescope....

Briefs: Materials
Using ALD To Bond CNTs to Substrates and Matrices

Atomic-layer deposition (ALD) has been shown to be effective as a means of coating carbon nanotubes (CNTs) with layers of Al2O3 that form strong bonds between the CNTs and the substrates on which the CNTs are grown. It should also be possible to form strong CNT/ substrate...

Briefs: Materials

Ceramic thermal and environmental barrier coatings (T/EBCs) that contain multiple layers of alternating chemical composition have been developed as improved means of protecting...

Briefs: Mechanical & Fluid Systems

A variable-structure control system designed to enable a fuselage-heavy airplane to recover from spin has been demonstrated in a hand-launched, instrumented model glider airplane (see...

Briefs: Mechanical & Fluid Systems

Axial Halbach magnetic bearings have been investigated as part of an effort to develop increasingly reliable noncontact bearings for future high-speed rotary machines that may be used in such applications as...

Briefs: Mechanical & Fluid Systems

Tool bits that automatically collect powdered rock, permafrost, or other hard material generated in repeated hammering action have been invented. These tool bits are intended primarily for use as...

Briefs: Medical

Biochips containing arrays of nanoelectrodes based on multiwalled carbon nanotubes (MWCNTs) are being developed as means of ultrasensitive electrochemical detection of specific...

Briefs: Physical Sciences

The figure is a simplified depiction of a proposed Fourier telescope for imaging in hard-x rays and γ rays. This instrument would contain only one pair of...

Briefs: Physical Sciences

A bidirectional pressure-regulator system has been devised for use in a regenerative fuel cell system. The bidirectional pressure- regulator acts as a back-pressure regulator as gas flows through the...

Briefs: Physical Sciences
Neon as a Buffer Gas for a Mercury-Ion Clock

One aspect of the topic of "Compact, Highly Stable Ion Clock" (NPO-43075), NASA Tech Briefs, Vol. 32, No. 5 (May 2008), page 63, is examined in more detail. To recapitulate: A developmental miniature mercury-ion clock has stability comparable to that of a hydrogen-maser clock. The ion-handling...

Briefs: Information Technology
Lossless, Multi-Spectral Data Compressor for Improved Compression for Pushbroom-Type Instruments

A low-complexity lossless algorithm for compression of multispectral data has been developed that takes into account pushbroom-type multispectral imagers' properties in order to make the file compression more effective. These types of imagers use a...

Briefs: Physical Sciences

A prism window has been devised for use, with an autocollimator, in aligning optical components that are (1) required to be oriented parallel to each other and/or at a specified angle of incidence with...

NASA Tech Needs
NASA Technology Prize Competitions – Summer 2008

NASA has a program of technology prizes currently consisting of seven competitions held throughout the year. The program, which began in 2005, is known as Centennial Challenges in recognition of the centennial of powered flight. In keeping with the spirit of the Wright Brothers and other...

Podcasts
Interview with Drew Feustel, Astronaut, Johnson Space Center, Houston, TX

Astronaut Drew Feustel is scheduled to fly aboard the Space Shuttle Discovery when it makes what is projected to be the final manned mission to service the Hubble Space Telescope. Feustel will perform three of the five spacewalks planned for that mission.

Application Briefs: Electronics & Computers

Non-invasive and ambulatory monitoring of body parameters is receiving much interest from the medical, sports and entertainment world. Possible applications are the...

Articles: Electronics & Computers

C-language programs are usually developed by teams of engineers who are often geographically dispersed, leading to redundant code and inconsistent variable declarations...

Articles: Electronics & Computers

The complexity of military and aerospace systems is growing — more components, interfaces, power, bandwidth, processing, features, and data — and these systems are...

Articles: Electronics & Computers

It is no secret that high-performance and the Internet are often seen as contradictory terms. Even private IP networks see serious performance challenges once they extend beyond...

Products: Electronics & Computers

Renesas Technology America, Inc., (San Jose, CA) has released the SH-MobileR2 application processor for portable multimedia systems. The device enables the design of portable and mobile devices with multimedia...

Products: Electronics & Computers

The FPE650 from VMETRO (Houston, TX) is a FPGA processing engine with support for the new FPGA Mezzanine Card (FMC/VITA 57) standard. The FPE650 integrates four Xilinx Virtex-5 FPGAs with two FMC I/O sites and VPX...

Products: Electronics & Computers

The TQ9 graphics-class system host board (SHB) from Trenton Technology (Atlanta, GA) is the latest addition to the PICMG® 1.3 product line. The TQ9, coupled with a PICMG 1.3 industry standard backplane,...

Products: Electronics & Computers

The Stellaris® LM3S3768 Evaluation Board (EVB) from Luminary Micro (Austin, TX) is a compact and versatile evaluation platform for the Stellaris LM3S3768 ARM® Cortex™-M3-based microcontroller. The...

Products: Electronics & Computers

Xantrex Technology Inc. (Vancouver, Canada) has launched the 222W linear XBT programmable power supply for laboratory and low power automated test equipment (ATE) applications. The new XBT Series provides higher power with two...

Products: Electronics & Computers

TenAsys Corp. (Beaverton, OR) has released the eVM™ virtual machine manager for real-time, missioncritical systems. The eVM platform simultaneously hosts embedded and real-time operating systems (RTOS) along...

Products: Electronics & Computers

VersaLogic (Eugene, OR) has released a new low voltage, fanless version of its Cobra EBX single board computer (SBC). The new model features a low voltage 1.0 GHz Intel® Celeron®-M CPU and is fully...

Products: Electronics & Computers

Embedded Systems Design, Inc. (ESD) (Elkridge, MD) has released the StreamBlade™ 5600, a 3U desktop or rack-mount FPGA-based processing platform. The standalone real-time streaming I/O processing system...

Products: Electronics & Computers

Zarlink Semiconductor Inc. (Ottawa, Canada) offers their second-generation Le79114 Voice Control Pro - cessor (VCP II) for communications carriers. The Le79114 VCP II supports 64 simultaneous call control channels and...

Videos