Briefs: Mechanical & Fluid Systems
Staggering Inflation To Stabilize Attitude of a Solar Sail

A document presents computational simulation studies of a concept for stabilizing the attitude of a spacecraft during deployment of such structures as a solar sail or other structures supported by inflatable booms. Specifically, the solar sail considered in this paper is a square sail...

Briefs: Mechanical & Fluid Systems
Bare Conductive Tether for Decelerating a Spacecraft

A document describes a prototype of electrically conductive tethers to be used primarily to decelerate spacecraft and/or generate electric power for the spacecraft. Like prior such tethers, this tether is designed so that when it is deployed from a spacecraft in orbit, its motion across the...

New technologies are providing doctors and patients with more options for treatment and improved quality of life than ever before. Procedures once entailing long recovery times and scarring...

The James Webb Space Telescope (JWST) is scheduled for launch in 2013 and aims to unravel the history of earlier galaxies, linking the Big Bang to the Milky Way Galaxy....

NASA’s John Glenn Research Center in Cleveland, OH, has chosen the Green Hills Platform for Software Defined Radio (SDR) — with Spectrum Signal’s flexComm™...

If one looks at the development of Internet commerce in terms of generational growth, from the initial World Wide Web to the current Web 2.0, one sees that successful...

Tech Needs
New Coating Chemistries with Excellent Outdoor Durability

A multinational advanced materials company is seeking wet coating technologies that show excellent weathering and durability. The coatings need to be applied to glass substrates. The coating needs to have excellent outdoor durability in excess of 10 years, have a hardness of at least 2H,...

Tech Needs
Flame-Resistant Fastening Between Two Fabrics

A flame-resistant fastening between two fabrics is sought, and must be simple to operate. The connection should resist frequent flexing, and must have a breaking strength of 120 kilogram-force. If folded cross-wise, it must withstand 40 kilogram- force, and may need to stand up to direct flame for 50...

Techs for License
Board Design Test Vehicle

The Board Design Test Vehicle is a method for objective evaluation and qualification of supplier capabilities for the fabrication of multilayer printed circuit boards. It is used to analyze and assess technical capability and reliability of products that are provided by a supplier, and provides a mechanism for supplier...

Techs for License
Flexible Gas-Tight Film

The clay film “Claist,” which comprises a natural or synthetic clay as a main component, exhibits uniform orientation of clay particle laminates. It is flexible, has a mechanical strength sufficient for use as a self-standing film, and has a structure in which laminates of clay particles are highly oriented. The...

Electric motors consume approximately one quarter of the electricity in the U.S. and are the main motive force in our commercial buildings, industrial...

Application Briefs: Robotics, Automation & Control
Slide Guide Used in Fluorescence Microscope

In the USA and other developed countries, cancer is responsible for 25% of all deaths. In spite of the most recent advances in cancer research, by far the best curative treatment for the disease is...

Application Briefs: Robotics, Automation & Control
High Flow Valve Used in Optic Processing Line

As the race to fulfill the ever-increasing demand for fiber optic assemblies began, the need for a fully automatic assembly line has come into focus. Individual filaments must be connected in...

Application Briefs: Robotics, Automation & Control
Motion Controller Helps Test for Hard Disk Defects

Hard disks were originally intended for computers in ultra-clean, ultra-safe data offices; by the 21st century, hard disks had moved beyond the office, finding their way into digital...

Products: Motion Control
Valve Motor

Eaton Corp. (Cleveland, OH) released the HP30 high-pressure disc valve motor for mobile off-highway applications requiring up to 30,000 in-lbs of intermittent torque. Options include a hydraulic parking brake offering up to 3,570...

Products: Robotics, Automation & Control
Fringe Tracing Software

Engineering Synthesis Design, Inc. (Tucson, AZ) released the IntelliWave ™ interferometric measurement software package to monitor fringe change in fluid flow and thermodynamic analysis applications. The software...

Products: Motion Control
Rotary Stages

Aerotech (Pittsburgh, PA) released the ALAR series of direct-drive, large-aperture rotary stages. Coming in five aperture sizes (100, 150, 200, 250, and 325 mm), the units are designed for angular positioning and velocity...

Products: Motion Control
Ball Bearing Mounts

Asymmetric Fasteners, Inc. (Hackettstown, NJ) released the Torksleeve B mounting for ball bearings, compatible with roller, needle, linear, or plain bearing types. The unit provides quick assembly time, is compact, and...

Event Alert

Fastening Technology & Bolted Joint Design Seminar

February 27-28, 2007

Detroit, Michigan USA

This two-day seminar gives engineers and technical personnel current specifications for, and a better understanding of, the complexities of mechanical joining with fasteners. Featured topics include bolted/screwed...

Who's Who at NASA

Bill Sheredy heads NASA's Smoke Aerosol Measurement Experiment (SAME), implemented to design smoke detection devices operable in the micro-gravity environments found in the International Space Station and space shuttle. Fire is deadly and unpredictable on Earth; in an enclosed space vehicle in orbit, its presence takes on even...

Technologies of the Week

"Micro-needles" have been disclosed that are characterized by their sharpness and side holes that prevent the coring phenomenon seen in standard needles. The needles can be several hundreds of microns in length and avoid most pain receptors in the skin. The sharpness ensures minimal damage to the skin.

Click here...

Genetically Engineered Cows

Scientists at Hematech (Sioux Falls, SD) have genetically engineered a dozen "prion-protein-knockout" cows to be free from the proteins that cause bovine spongiform encephalopathy (BSE), or mad cow disease. Prion protein is a natural cellular protein that can become misfolded into infectious particles and cause BSE...

Nano 50 Awards - Call for Nominations

Nanotech Briefs(R) magazine has announced a "Call for Nominations" for its third annual Nano 50 awards competition. The Nano 50 recognizes the top 50 technologies, innovators, and products with the greatest potential to advance the commercialization of nanotechnology.

There is no cost to submit a...

Product of the Month

The OP280 series of infrared emitters and the OP580 series of matching silicon photo sensors from OPTEK Technology (Carrollton, TX) were named PTB Product of the Month for January. The OP280 emitter series consists of three standard devices: the OP180 940-nm infrared emitter, the OP280 880-nm infrared emitter, and the OP280K...

New Directions in Optical Scanning

Optical scanners were first introduced 40 years ago. Since then, they have become the enabling technology behind many innovative products across many different industries, including medical imaging, industrial machining, product identification, biomedical research, automotive manufacturing, and many...

Technology Business Needs
Alternative Technologies for Storing Mechanical Energy

A Fortune 500 company is seeking technology or joint development proposals for an alternative method of stored energy that can be used in place of a gas-charged cylinder or compression spring for closing valve.

Click here for more info.


The unexpected longevity of NASA's twin rovers Spirit and Opportunity is giving NASA a chance to field-test on Mars some new capabilities useful both to these missions and future rovers. Both rovers begin their fourth year on Mars this month. They are currently testing four new skills included in revised flight software uploaded to...

Product of the Year Awards

It's that time of year again -- time to cast your vote for NASA Tech Briefs' Readers' Choice Product of the Year. Each month, the editors of NTB select a Product of the Month. At the end of the year, we ask our Readers to choose the Product of the Year -- the one product from those 12 nominees that they feel was the...

Safer Driving

Engineers at Lehigh and Carnegie Mellon universities, working with Green Lane, PA-based Freedom Lift Corp., have integrated robotics, laser, and wireless technologies into a new system that promises to make it safer for wheelchair users to drive a car.

Current solutions for wheelchair users who desire independent mobility...

Question of the Week
Would You Use the 'LaserFactory?'

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Application Briefs: Mechanical & Fluid Systems

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Briefs: Mechanical & Fluid Systems

System for Continuous Deaeration of Hydraulic Oil

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