Special Coverage

Technique Provides Security for Multi-Robot Systems
Bringing New Vision to Laser Material Processing Systems
NASA Tests Lasers’ Ability to Transmit Data from Space
Converting from Hydraulic Cylinders to Electric Actuators
Automating Optimization and Design Tasks Across Disciplines
Vibration Tables Shake Up Aerospace and Car Testing
Supercomputer Cooling System Uses Refrigerant to Replace Water
Computer Chips Calculate and Store in an Integrated Unit
Electron-to-Photon Communication for Quantum Computing

Exhaustible Energy

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Compressor-Free Fridge

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Asphalt Solar Collector

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GreenLight Project

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Crystal Cloak

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Microscope on a Chip

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Embedded Telescope

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Three Strategies for Building Efficient Test Systems

Test engineers are facing new pressures to develop high-performance test systems that maximize efficiency. Despite rapidly increasing device complexity, they have to deliver higher-speed and lower-cost test systems, as well as contribute to corporate sustainability programs. This pressure is exemplified by the addition of corporate responsibility and sustainability programs presented on almost every corporate Web site. These corporate sustainability programs often have goals of reducing energy consumption, carbon footprints, and emissions.

Posted in: Articles, Test & Measurement, Test equipment and instrumentation
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NASA Probes Gather Solar Information

STEREO observatories and Solar Probe Johns Hopkins University Applied Physics Laboratory Laurel, MD 240-228-5000 www.jhuapl.edu

NASA’s Solar Terrestrial Relations Observatory (STEREO) is comprised of two nearly identical spacecraft that were launched in 2006. They will gather images of the Sun simultaneously from different angles. These images will then be combined to produce three-dimensional pictures of coronal mass ejections. These eruptions can blow 10 billion tons of the Sun’s atmosphere into space, and can trigger severe magnetic storms on Earth that cut off electric power and communications.

Posted in: Application Briefs, Aerospace, Data Acquisition, Sun and solar, Spacecraft
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Spacecraft Leak Detection System Uses Ultrasonic Sensors

Spacecraft leak detection system Invocon Conroe, TX 281-292-9903 www.invocon.com

NASA has selected a spacecraft leak detection system from Invocon that would sense and locate air leaks in pressurized space stations or lunar habitat modules caused by micrometeoroid and space debris impact events. Low-cost, ultrasonic sensor arrays developed by Iowa State University are used in the system. The spacecraft structure would be monitored for leak-generated, surface- borne ultrasound by means of a flexible and modular electronics package with fully integrated data sensors, data acquisiti

Posted in: Application Briefs, Detectors, Sensors, Sensors and actuators, Spacecraft
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