Science

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NASA's Dawn Spacecraft Enters Orbit Around Asteroid Vesta

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NASA's Dawn spacecraft, illustrated in this artist's concept, is propelled by ion engines.

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'Carmageddon' Drivers Could Find Relief From Crowd-Sourcing GPS App

A major highway shutdown, ominously dubbed "Carmageddon," is about to happen in L.A., where local officials and news agencies fear the worst. A smart GPS app, however, could provide some relief for drivers by tracking traffic conditions and suggesting alternative routes in real time.

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Closed routes are highlighted in red.

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Desktop Virtualization Growing to $5B by 2016

Virtualization will seep into every aspect of business computing over the next five years, growing tenfold as recession cost-cutting fades and mobilization of the workforces increase.

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Virtualization enables business partners to provide more comprehensive solutions to new and existing customers, as well as allowing companies to optimize IT investments, infrastructure and resources.

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Smart Monitors Benefit from RF Energy Harvesting

Radio-frequency energy from television, AM, FM, cellular, WiFi, WiMax, Long-Term Evolution and more can now be harvested to power smarter electronic devices for security, environmental sensing, structural monitoring (bridges/buildings), food spoilage and wearable bio-monitoring devices.

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Georgia Tech professor Manos Tentzeris holds a sensor (left) and an ultra-broadband spiral antenna for wearable energy-scavenging applications, both of which were inkjet printed on paper.

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Dawn Team Members Check out Spacecraft

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NASA's Dawn spacecraft, illustrated in this artist's concept, is propelled by ion engines.

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Eight Touch-Screen Gestures That Increase Comprehension

In the age of information overload, business agility requires optimal knowledge-acquisition techniques that psychologists call "active learning." These eight touch-screen gestures optimize active-learning techniques for electronic media and will be available in an app this fall.

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Smarter touch-screen gestures let users add highlights, insert comments, excerpt content, create groupings/outlines, zoom in for details or zoom out for overviews, aggregate so only highlights are visible, pinch a document together to see disparate sections at once or to hide irrelevant content, and manipulate multiple text elements with both hands.

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First-Ever View of a Sungrazer Comet In Front of the Sun

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A "sun grazing" comet as caught by SOHO's LASCO C2 camera as it dived toward the sun on July 5 and July 6, 2011. SOHO is the overwhelming leader in spotting sungrazers, with over 2000 spotted to date, aided by the fact that the sun's bright light is itself blocked out by a coronograph.

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A Glimpse of Future Health Care Apps and Devices

A recent study has identified a new class of health app and device users. Dubbed information seekers, this currently underserved group will want some measure of control over a potentially serious health risk or a condition that is difficult to manage.

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In the near future, large groups of people will demand apps and devices to help manage their potentially serious conditions.

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CIOs Say Business Analytics Is Driving Growth

A CIO survey reveals that harnessing business intelligence and analytics is by far the CIO's top priority for increasing competitiveness over the next three to five years.

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An IBM poll of 3,000 CIOs reveals that business analytics, mobility solutions and virtualization are the top three priorities for increasing their enterprise's competitiveness.

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Smarter Phase Change Memory Beats Flash

Using a variety of solid-state memory technologies, IBM Research recently demonstrated a flash substitute that is 100 times faster and will last 3,000 times longer than the flash memory, which has replaced hard disks in everything from smartphones and touch-screen tablets to high-end enterprise servers and cloud-based data centers.

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IBM's phase change memory test chip was fabricated in its 90-nanometer complementary metal oxide semiconductor (CMOS) process.