Special Coverage

Supercomputer Cooling System Uses Refrigerant to Replace Water
Computer Chips Calculate and Store in an Integrated Unit
Electron-to-Photon Communication for Quantum Computing
Mechanoresponsive Healing Polymers
Variable Permeability Magnetometer Systems and Methods for Aerospace Applications
Evaluation Standard for Robotic Research
Small Robot Has Outstanding Vertical Agility
Smart Optical Material Characterization System and Method
Lightweight, Flexible Thermal Protection System for Fire Protection
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Tech Needs of the Week

An organization seeks a rapid, inexpensive, and reliable test that can detect even small levels of acrylamide in foods. Acrylamide is a known carcinogen that appears naturally all through nature. It is also found in larger concentrations when any food is cooked and carbonized. The solution should be cost-effective to use on a large scale, and should be backed up by scientific data and patents. Click here for more info.

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Touching the Cosmos



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Current Attractions

Scientists remain in an ongoing quest to validate the Big Bang theory tracing the early history of the universe. The NASA Cosmic Background Explorer (COBE) satellite was designed to study radiation patterns from the first few moments after the universe was formed, in an effort to unravel the mystery of the Big Bang.

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Fragile X Syndrome



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Electric Motor Drive Magnets



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Current Attractions

Objet Geometries, Billerica, MA, has introduced the Connex500™ multi-material 3D printer based on the company's PolyJet Matrix™ technology, which provides simultaneous jetting of multiple model materials. The system, which was named NASA Tech Briefs' Product of the Month for January, enables the printing of parts and assemblies made of multiple materials in a single build, and fabricates Digital Materials™ on the fly, enabling the creation of composite materials that have preset combinations of mechanical properties. It produces prototypes of products that use over-molding in the manufacturing process, and fabricates translucent models that aid in medical applications by showing nerves, tumors, and other areas of interest.

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Techs of the Week

An improved ASIC (Application Specific Integrated Circuit) for industrial proximity sensor applications provides ease of programmability, embedded trimming capability, and dual slope temperature compensation. This ASIC design enables inductive proximity sensor/switches to be easily programmed after full assembly in production or at the customer's location. Frequency-independent temperature compensation, along with a quenching oscillator, produces sensing distances as much as three times longer than competing technology. Sensors utilizing this ASIC contain fewer electronic variants -- resulting in fewer parts, less inventory, and higher reliability. Click here for more info.

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