Monday, 2 de March de 2015

Noticias y opinión


Engineers boost computer processor performance by over 20 percent

Researchers from North Carolina State University have developed a new technique that allows graphics processing units (GPUs) and central processing units (CPUs) on a single chip to collaborate – boosting processor performance by an average of more than 20 percent.

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Gamers on 3-D Mission to Save World; Just Don't Tell Them They Are Learning Cell Biology

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Cable TV top source for US political news: study

Cable television is the leading source of US political news for Americans, according to a study released Tuesday, but fewer people are closely following the presidential campaign than four years ago.

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Intelligent software assigns appropriate background music for pictures

Previously, setting a picture or whole series of pictures to suitable music required expert knowledge and a great deal of time. Newly developed software called Picasso succeeds in arranging pictures with appropriate compositions in an instant, by utilizing the technical skills of movie directors. Scientists at the Cluster of Excellence on "Multimodal Computing and Interaction" at Saarland University developed the software, and they will present the program with its associated smart phone app "PicasSound" at the Cebit computer expo. Cebit will take place from the 6th through the 10th of March at the fairground in Hanover, Germany.

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Georgia Tech develops braille-like texting app (w/ video)

Imagine if smartphone and tablet users could text a note under the table during a meeting without anyone being the wiser. Mobile gadget users might also be enabled to text while walking, watching TV or socializing without taking their eyes off what they're doing.

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Computing professor sparks gamers' creativity at world renowned conference

Gamers don't just play Nicholas Graham's new video game, Liberi Live – they design it. While one player is rolling and bouncing a ball over obstacles and collecting coins another player can control the course design. The two interact together and with a touch of a button, obstacles or ramps can be added to completely change the game.

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Apple brings iPad features to the Mac

Apple released a preview version of its new Macintosh operating system on Thursday, bringing some features of the iPad to the personal computer.

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Remove software for smartphone can zap photo items (w/ video)

(PhysOrg.com) -- A Swedish company focused on mobile-device imaging technology, Scalado, plans to show object-removal software for the smartphone at this month’s Mobile World Congress in Barcelona. The software lets you remove anything in a photo that you’re taking, with just a screen tap. The only requirements are that the object has to be moving -- unwanted pedestrians as you try to capture something on the city streets, for example -- for the application to capture and delete. Also, the camera needs to stay still and focused on the subject while you touch each moving item chosen for removal.

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US regulators pull plug on LightSquared

US telecom regulators have pulled the plug on an ambitious plan to build a high-speed wireless broadband network, citing potential interference with GPS navigation devices.

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FCC adopts new rules against 'robocalls'

(AP) -- The federal government is cracking down on "robocalls," those automated phone calls with the tendency to interrupt Sunday dinners and otherwise annoy consumers.

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Chicago asked not to stifle wireless at summits

(AP) -- Protesters are coming by the thousands to Chicago, armed with smartphones, video cameras and social media links that will allow them to instantly map strategy, share plans and disseminate images of what's happening - right in front of a police force renowned for responding with tough tactics.

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Worldwide mobile data traffic to rocket: Cisco

The amount of data sent to or from mobile gadgets around the world annually will rocket to hit the equivalent of 33 billion full-length DVD films by the year 2016, computer networking titan Cisco forecast on Tuesday.

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AT&T customers surprised by 'unlimited data' limit

(AP) -- Mike Trang likes to use his iPhone 4 as a GPS device, helping him get around in his job. Now and then, his younger cousins get ahold of it, and play some YouTube videos and games.

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Darpa to develop mobile millimeter-wave backhaul networks

Providing high-bandwidth communications for troops in remote forward operating locations is not only critical but also challenging because a reliable infrastructure optimized for remote geographic areas does not exist. When you introduce additional needs, such as communication support for data feeds from Unmanned Aerial Vehicles (UAVs) transmitting information to troops on patrol in remote areas, you face a host of new challenges where dropped signals can create a serious threat to a warfighter's situational awareness.

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GPS court ruling leaves US phone tracking unclear

A US Supreme Court decision requiring a warrant to place a GPS device on the car of a criminal suspect leaves unresolved the bigger issue of police tracking using mobile phones, legal experts say.

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Startup sends live local TV to the iPhone

(AP) -- A startup backed by media billionaire Barry Diller has launched a service that sends live local TV feeds to iPhones and iPads. But the service may be short-lived, since TV stations are likely to challenge its right to use their broadcasts.

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Countries agree on new mobile spectrum at radio conference

The International Telecommunication Union said Friday its World Radiocommunications Conference (WRC-12) has agreed a treaty aimed at revising the radio frequency spectrum to speed up mobile services.

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Researchers discover cell phone hackers can track your location without your knowledge

Cellular networks leak the locations of cell phone users, allowing a third party to easily track the location of the cell phone user without the user's knowledge, according to new research by computer scientists in the University of Minnesota's College of Science and Engineering.

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March Madness games no longer free online for all

(AP) -- Some fans will no longer be able to watch every NCAA men's basketball tournament game online for free.

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Who Goes There? Verifying Identity Online

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