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Two-thirds of U.S. adults say kids should be 13 to use internet alone: Most support stronger protections

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TechAndComputer (Nov. 19, 2012) — The Internet is full of information, but also full of real risks for children, like online predators or the pitfalls of losing privacy when kids share too much information. In a new University of Michigan poll, the majority of the public supports updating federal laws that require Internet safety standards to protect kids.

The University of Michigan C.S. Mott Children's Hospital National Poll on Children's Health recently asked adults nationwide about Internet use and proposed changes to the Children's Online Privacy Protection Act, known as COPPA.

COPPA was enacted to protect young children from some of these Internet dangers by prohibiting collection of personal information through...

Antenna-on-a-chip rips the light fantastic

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An illustration shows the design of Rice University researchers’ antenna-on-a-chip for spatial light modulation. The chip is able to process incident infrared light for signal processing at very high speeds. (Credit: Credit Xu Group/Rice University)

TechAndComputer (Nov. 16, 2012) — A device that looks like a tiny washboard may clean the clocks of current commercial products used to manipulate infrared light.

New research by the Rice University lab of...

Measuring 'the cloud: 'Performance could be better

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TechAndComputer (Nov. 16, 2012) — Storing information "in the Cloud" is rapidly gaining in popularity. Yet just how do these services really work? Researchers from the University of Twente's Centre for Telematics and Information Technology (CTIT) have completed the first comprehensive analysis of Dropbox, a popular service that already has 100 million users. One shortcoming of this service is that performance is greatly dependant on the physical distance to the Dropbox...

Scientists discover ways to optimize light sources for vision: Tuning lighting devices could save billions

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By tuning lighting devices to work more efficiently with the human brain the researchers believe billions of dollars in energy costs could be saved. (Credit: © araraadt / Fotolia)

TechAndComputer (Nov. 15, 2012) — Vision researchers at Barrow Neurological Institute have made a groundbreaking discovery into the optimization of light sources to human vision. By tuning lighting devices to work more efficiently with the human brain, the researchers believe billions...

Titan -- world's most powerful supercomputer -- is also a green powerhouse

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Not only is Oak Ridge National Laboratory's Titan the world's fastest supercomputer, it is also ranked third in energy efficiency. (Credit: Image courtesy of Oak Ridge National Laboratory)

TechAndComputer (Nov. 14, 2012) — Not only is Oak Ridge National Laboratory's Titan the world's most powerful supercomputer, it is also one of the most energy-efficient.

Titan came in at number three on the Green500 list. Organized by Virginia Tech's Wu-chun Feng and Kirk...