18/12/2013

Small size enhances charge transfer in quantum dots

(Phys.org) —Quantum dots—tiny semiconductor crystals with diameters measured in billionths of a meter—have enormous potential for applications that make use of their ability to absorb or emit light and/or electric charges. ...

Oracle fiscal 2Q net income falls slightly (Update)

Oracle's fiscal second-quarter net income edged down slightly, hurt by flat revenue from new software licenses and cloud software subscriptions, but still managed to beat Wall Street predictions.

Final James Webb Space Telescope mirrors arrive at NASA

The final three of 18 primary mirrors for NASA's James Webb Space Telescope arrived at NASA's Goddard Space Flight Center in Greenbelt, Md., for integration prior to a scheduled launch in 2018.

Mobile apps let consumers digitize receipts, gift cards

Consumers, with the help of tech companies, are transforming their personal blizzard of missing receipts, misplaced coupons, lost promotional alerts and unused gift cards into digital files stored in the cloud.

Urban schools improving faster than rest of US

Federal testing data shows that public school students in the nation's largest cities are improving their performance in reading and math faster than their counterparts in suburban and rural schools.

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