News

Event Alert

Free Webinar: Join us and other engineering professionals at the "Adobe and Alibre Technology Seminar" on Wednesday, February 28. Alibre, Inc. and Adobe Inc. are coming together to provide an informative online seminar that reviews how other leading-edge companies have used new and affordable technology to redefine their design process.
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Current Attractions

The Air Force's Technology Horizons magazine is now Defense Tech Briefs (DTB),providing engineers with a one-stop source for the latest advances and tech transfer opportunities from Defense Department R&D programs. Commercially promising inventions resulting from this work are reported in DTB magazine, published bi-monthly and mailed with NASA Tech Briefs. Here are some of the technologies featured in the February issue:

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Tech Needs

Technologies are needed for the economical production of polymers that are based on today's generally accepted standards for "green" chemistry. Of particular interest are chemistries that produce safe chemicals, and/or that use safer solvents and auxiliaries, and/or that produce chemicals designed for degradation.
Click here to respond to this Tech Need.

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X-Ray Vision

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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 joints, elastic interactions and preload stress, loosening causalities, tightening methods, calculating safety factors and limitations, selecting optimal fasteners for your design, evaluating dissimilar materials for thermal expansion and galvanic properties, and insights into materials, threads, and product standards.

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Who's Who at NASA

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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 to view this technology.

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Genetically Engineered Cows

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Nano 50 Awards - Call for Nominations

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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 890-nm infrared emitter; and the OP280PS 850-nm point source infrared emitter and the OP280V 850-nm vertical cavity surface emitting laser (VCSEL) device. The OP580 series of sensors consists of the OP580 phototransistor, the OP580PR silicon photodarlington, and the OP580RB silicon phototransistor with an integrated base-emitter resistor.

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