Briefs: Mechanical & Fluid Systems
Variable-Structure Control of a Model Glider Airplane

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

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
Compact, Non-Pneumatic Rock-Powder Samplers

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...

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

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
Bidirectional Pressure-Regulator System

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: Photonics/Optics
Prism Window for Optical Alignment

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.

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

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

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

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
Multimedia Host Processor

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
FPGA Processing Engine

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
Graphics-Class System Host Board

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
Microcontroller Evaluation Kit

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: Test & Measurement
Power Supplies

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
Virtual Machine Manager

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
Fanless Single Board Computer

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
FPGA-Based Processing Platform

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
Voice Control Processor

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...

Products: Electronics & Computers
32-bit Microprocessor

The UT699RH LEON 3FT-based microprocessor from Aeroflex Colorado Springs (Colorado Springs, CO) is designed with Gasiler Research AB GRLIB IP-proven architecture and provides a 32-bit master/target PCI interface, while...

Products: Electronics & Computers
Digital-to-Synchro/Resolver Converter

North Atlantic Industries (NAI) (Bohemia, NY) has announced the availability of a 3-channel Digital-to- Synchro/Resolver Converter on a PC-104 card. The DSP-based 73DS2 includes up to three independent,...

Products: Electronics & Computers
PXI Embedded Controllers

The PXI-8104 and PXI-8183 embedded controllers from National Instruments (Austin, TX) are suitable for applications including consumer electronics, automotive, semiconductor, telecommunications, aerospace, and...

Products: Electronics & Computers
COM Express Embedded Modules

VIA Technologies (Taipei, Taiwan) has extended their embedded board portfolio to include COM Express™ modules. Measuring 95mm x 125mm, COM Express is an industry standard embedded form factor developed by...

Products: Electronics & Computers
VPX SerDes Test Modules

Elma Electronics Inc. (Fremont, CA) has released the SerDes Test Modules for VPX systems. The modules are being offered in partnership with DFT Microsystems, a leader in high-density test solutions for highspeed...

Question of the Week
Will Self-Erasing Chips Catch On?

Webcasts

Upcoming Webinars: Automotive

Metal Injection Molding’s Role in Automotive

Upcoming Webinars: Materials

Technical Ceramics: The Powerhouse of Advanced Materials

Upcoming Webinars: Software

PPAP Reviews Using AI and Machine Learning

Upcoming Webinars: Motion Control

Customizing Actuators Using COTS Drive Components for Martian...

Upcoming Webinars: Robotics, Automation & Control

2020 Create the Future Contest Awards

Upcoming Webinars: RF & Microwave Electronics

Advancement of Spectrum Analysis Techniques for Tracking,...

Videos