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T-Ray Radiation



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Techs of the Week

A cantilevered microbeam temperature sensor is free from the residual or induced stress characteristic of standard bridge-type strain gauges. The microbeam is supported at one end, and the other is free to oscillate relative to the substrate and is isolated from changes in strain caused from flexure of a diaphragm. The beam's natural resonant frequency varies in response totemperature changes. This occurs due to changes in the density and modulus of elasticity of the polysilicon microbeam in the same manner as the resonant beam of a typical strain gauge. The sensor can be placed adjacent to a strain gauge to ensure accurate temperature compensation. Click here for more info.

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Sensitive Prosthetic Arms



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Child's Play



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Current Attractions

The MV1000 and MV2000 paperless portable recorders from Yokogawa Electric Corp. (Newnan, GA) have been named NASA Tech Briefs Product of the Month for December. The recorders have integrated display, recording, and communications functions. They record on-site changes in temperature, voltage, current, flow, and pressure.

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Technology Business Briefs

Low Cost Substrate Coating for High-Quality Ink-Based Printing A novel approach of a coating method and composition of various substrates such as paper, canvas, polymeric films, etc. by utilizing a unique coating composition containing a dye-fixing compound. Click here for more info.

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Assessing Crash Warnings



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