Travel through wormholes is possible, but slow

A Harvard physicist has shown that wormholes can exist: tunnels in curved space-time, connecting two distant places, through which travel is possible.

Sharp bends make rivers wander

Left to their own devices and given enough time, rivers wander, eroding their banks and leaving their old channels behind. It's a behavior that engineers have to keep in mind when managing rivers or planning projects near ...

Sony's PlayStation 'gradually coming back'

Sony was still struggling Saturday to fully restore its online PlayStation system, three days after the Christmas day hack that also hit Microsoft's Xbox, reporting that services were "gradually coming back."

Sony's PlayStation offline, Microsoft's Xbox restored

Microsoft's online network for its Xbox gaming console was restored to nearly full service Friday after an allegedly coordinated Christmas Day hack brought it and Sony's PlayStation network down.

FBI looking into hack of Sony Pictures' computers

The FBI has confirmed it is investigating a recent hacking attack at Sony Pictures Entertainment, which caused major internal computer problems at the film studio last week.

Netflix's Comcast deal improves quality of video

Netflix's videos are streaming through Comcast's Internet service at their highest speeds in the past 17 months now that Netflix is paying for a more direct connection to Comcast's network.

Review: Despite flaws, voice search has potential

I never thought I'd be telling my phone what to do. But I often find myself talking to various digital assistants—Siri on the iPhone and Google Now on Android devices—to request driving directions, restaurant recommendations ...

Modified Bluetooth speeds up telemedicine

A telemedicine system based on a modified version of the Bluetooth wireless protocol can transfer patient data, such as medical images from patient to the healthcare provider's mobile device for patient assessment almost ...

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