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Polymer Indicator Monitors Spoilage

The Fresh Stripe multi-layer indicator for meats is manufactured or incorporated into packaging using conventional roll-to-roll processes. The polymer layer biodegrades at a predictable rate in the presence of the same hydrolytic bacterial enzymes that degrade meat. As the indicator degrades, it changes appearance so that a consumer can effectively judge the meat’s freshness. Freezing, refrigeration, and heat do not degrade the performance of the indicator or affect its accuracy.

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Holographic Technology Offers Robust Authentication

A new security technology provides a hologram invisible to the naked eye. The tool requires viewing with a prism to discover the holographic image. The product also supplies a primary and complementary hologram for applications where visibility is required or desired. Both approaches offer robust authentication and are extremely difficult to counterfeit. The technology is suitable for high-volume production.

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Gauge Calibrates Three-Dimensional Coordinate Measuring Machine (CMM)

A gauge, which is used in examining the accuracy of a coordinate measuring machine (CMM), enables total calibration of errors and numbers of revisions of the measured values. The accurate calibration is possible for a CMM of any size. Various machines can also be calibrated by combining the gauge.

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Inspection Technology Identifies Surface Defects

An automated surface inspection technology identifies potential defects on a painted surface so that they can be remedied. The system provides a database so that the size, location, quality, and other aspects of production line defects can be tracked over time.

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Razor “Saws” Hair for Easier Shaving

With traditional razors, the cutting edge of a blade moves in the direction of the cut. A new shaving device, however, includes one or more blades that perform a vibrating motion perpendicular to the direction of the cut, and parallel to the blade’s edge; the hairs are cut by sawing, rather than cutting.

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Medical Valves Withstand Magnetic Fields

Parker Hannifin has created design concepts for valves that can be used in MRI-compatible ventilators. The valves, built to work with a variety of medical fluids and gases, are unaffected by strong magnetic fields and, in turn, do not create any magnetic fields of their own. In addition, the valves can be designed to handle a range of operating characteristics while minimizing total footprint.

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Nozzles Provide Spray Pattern Consistency

Macrospray® nozzles produce consistent mists at very low pressure. The nozzles have a uniformly distributed droplet size (10–30 μm Sauter Mean Diameter), which provides greater contact between deodorant, for example, and odorcausing particles or dust. Droplet size can be tuned for the degree of dust particle interaction and “knock-down” required. The nozzles provide multiple tips for high flow.

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