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...

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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...

Blog
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...

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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...

Blog
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...

Blog
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...

Blog
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...

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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...

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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.

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NASA News

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...

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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...

Blog
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...

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3D navigation devices

Two new 3D navigation devices, SpaceNavigator and SpaceExplorer, from 3Dconnexion(R), a Logitech company, San Jose, CA, have been named NASA Tech Briefs' Product of the Month for January. SpaceNavigator is an entry-level device that lets users move naturally and fluidly in 3D environments without making repetitive mouse...

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Tech Needs of the Week

A method is needed to prevent the evaporation of a liquid out of a porous biological structure or to retain the liquid in the biological structure. The method will be used to decrease the rate of water evaporation through a fingernail. It must be safe and easily applicable by a common user.

Click here to respond to...

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New Polymers

Researchers from the University of Delaware (UD) discovered a new class of ultra-thin polymer films with potential applications ranging from coating tiny microelectronic devices to plastic solar cells. The research focused on formerly nonpolymerizable ethylenes.

The UD researchers developed a polymer-making technique that...

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White Paper

Torque Measurement Methods

Outlining torque measurement in the following areas: calculation from electrical power; measuring reaction torque; measuring in-line torque; strain gages in torque measurement. This white paper showcases torque measurement products in action and details how measurement experts measure torque....

Blog
Invisible Electronics

Northwestern University (Evanston, IL) researchers have combined organic and inorganic materials to produce prototype transparent, high-performance transistors that can be assembled inexpensively on both glass and plastics. To create the thin-film transistors, the Northwestern group combined films of the inorganic...

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Technologies of the Week

Polymer coatings and films have been disclosed that are photochemically processed for producing safer paints and coatings for a wider range of applications.

View this technology at: http://link.abpi.net/l.php?20070102A3

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Mine Detection

Researchers at Massachusetts Institute of Technology’s (MIT) Lincoln Laboratory developed a pinpointed sound beam that can detect buried land mines from a safe distance. Called a parametric acoustic array, the device is made up of ceramic transducers -- devices that emit a powerful narrow acoustic beam at...

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Current Attractions

Embedded Technology magazine features board-level electronics and COTS solutions for design engineers, as well as a variety of product offerings.

The January issue of Embedded Technology contains a feature story on “Sensor Interface Design Demystified.” In this article, Dr. Kevin A. Shaw,...

Fire is deadly and unpredictable on Earth; in an enclosed space vehicle in orbit, its presence takes on even more serious implications. To prevent the threat of...

Products: Sensors/Data Acquisition
3D Navigation Devices

3Dconnexion(r), a Logitech company, San Jose, CA, has released two new 3D navigation devices, SpaceNavigator and SpaceExplorer, that provide designers with intuitive 3D computer navigation control. SpaceNavigator is an...

Articles: Software
The Problems With CAD Tools: Vendors Address User Pain Points

CAD systems can be a design engineer’s best friend or their worst enemy. They help engineers create better products faster, but can prove daunting and frustrating in the process.We spoke to executives at several CAD companies to find out how they are helping their customers get past...

Artificial sensor skins modeled partly in imitation of biological sensor skins are undergoing development. These sensor skins comprise flexible polymer substrates that contain and/or...

Briefs: Manufacturing & Prototyping
Artificial Hair Cells for Sensing Flows

The purpose of this article is to present additional information about the flow-velocity sensors described briefly in the immediately preceding article. As noted therein, these sensors can be...

Since 9/11, we are increasingly threatened by terrorist plots — the release of noxious substances into crowded public places or on airplanes, in crowded...

Briefs: Electronics & Computers
Video Guidance Sensor and Time-of-Flight Rangefinder

A proposed video guidance sensor (VGS) would be based mostly on the hardware and software of a prior Advanced VGS (AVGS), with some additions to enable it to function as a time-of-flight rangefinder (in contradistinction to a triangulation or image-processing rangefinder). It would typically...

Briefs: Physical Sciences
Optical Beam-Shear Sensors

A technique for measuring optical beam shear is based on collecting light from the four quadrants of the beam and comparing the optical power collected from each quadrant with that from the other three quadrants....

Briefs: Software
The PICWidget

The Plug-in Image Component Widget (PICWidget) is a software component for building digital imaging applications. The component is part of a methodology described in “GIS Methodology for Planning Planetary-Rover Operations” (NPO-41812), which appears elsewhere in this issue of NASA Tech Briefs. Planetary rover missions return a...

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

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Blog: Mechanical & Fluid Systems

Researchers Prove Their Elastic Exosuit Eases Back Stress

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