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Portable Ultrasound Device



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Designing a Better Laser



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CAD Tools: Breaking Barriers

With difficult economic times, CAD vendors are under more pressure than ever to provide customers with products that increase productivity, reduce time to market, and give them more value for their money. In our annual poll of CAD company executives, we found that new technology is the focus in helping customers break the barriers to efficient design with limited resources. Five years ago, we asked executives at leading CAD companies if, in five years, most design engineers would be using 3D design tools rather than 2D, and all of them said yes. Yet, there are still barriers that design engineers face in migrating from 2D to 3D. Jeff Ray, CEO of SolidWorks, believes one major barrier continues to be fear of change.

Posted in: Articles

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Connectors Provide Signal Reliability for Mars Science Laboratory

Compact PCI (cPCI) ConnectorsHypertronics CorporationHudson, MA978-568-0451www.hypertronics.com Hypertronics’ space-grade Compact PCI (cPCI) connectors were selected by NASA’s Jet Propulsion Laboratory (JPL) for use on the Mars Science Laboratory (MSL), which is scheduled to launch in 2009. Incorporating the Hypertac® “Basket of Wires” contact technology, the connectors will be instrumental in all phases of the mission including lift-off, navigation, entry, descent, landing, roaming, and geological survey. Behind these embedded systems are single-board computers connected together through common back planes that handle all control functions and analysis for the MSL rover. All systems and components must exceed the long and difficult journey to Mars, as well as the extreme surface operation of one Martian year, equal to two Earth years.

Posted in: Application Briefs

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Small CO2 Sensors Operate at Lower Temperature

Lower operating temperature translates to lower power demand. Solid-electrolyte-based amperometric sensors for measuring concentrations of CO2 in air are being developed for use in detection of fires, environmental monitoring, and other applications where liquid-based electrochemical cells are problematic. These sensors are small (sizes of the order of a millimeter), are robust, are amenable to batch fabrication at relatively low cost, and exhibit short response times (seconds) and wide detection ranges.

Posted in: Briefs, TSP, Physical Sciences

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Wireless Video Surveillance System Secures Aircraft

AgileMesh/Firetide surveillance systemAgileMeshDallas, TX972-231-2122www.agilemesh.comNASA Dryden Flight Research Center now protects several of its highly specialized research aircraft at its satellite facility with a wireless video surveillance system. The system is a product of AgileMesh, a provider of rapidly deployable video surveillance, and Firetide, a developer of wireless mesh and access networks. The AgileMesh/Firetide system secures a recently leased hangar that houses NASA’s SOFIA (Stratospheric Observatory for Infrared Astronomy) and DC- 8 Airborne Laboratory aircraft, both of which are unique to the nation.The rapidly deployable, solar-powered, and high-resolution wireless system transmits evidence-grade video from the perimeter of the hangar to the on-site security operations center. The video is monitored in real time, allowing personnel patrolling the perimeter to communicate with the operations center and respond to incidents within seconds. Using embedded Firetide mesh technology, the AgileMesh units wirelessly transmit video signals to a head-end node located in the security operations center. The video is stored for 30 days for incident review and investigation. The AgileMesh units were secured to the ground using 20- gallon water containers as anchors, since winds can reach 60 miles per hour in the high desert. The research center is currently deploying a fixed video surveillance system in and around the hangar, and once that system is in place, the AgileMesh units will be used for securing crash scene investigations and during special events such as nearby air shows. For Free Info

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