24956 Results for

u.s. department of energy

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Steven Chu discusses 'all of the above' U.S. energy strategy

The U.S. government aims to improve energy production from renewables to oil, but what does that mean in practice? Energy Secretary Steven Chu explains.

By March 12, 2012

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U.S. drone 'hijackings' raise security concerns

University of Texas professor and grad students manipulate unmanned crafts' flight paths. One exercise is done with DHS. Thousands of civilian drones are destined for U.S. skies.

By July 4, 2012

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ABCs of smartphone screens: 1080p and more (Smartphones Unlocked)

We have plenty of names to describe the viewing quality on your smartphone screen, but few of them actually make sense. Here's what matters, and why.

By July 13, 2013

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U.S. warns of cyberattacks on gas pipeline companies

The Department of Homeland Security wants the gas sector to monitor malware planted via cyberattacks as part of an investigation.

By May 7, 2012

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Solyndra casts shadow on U.S. energy loan aid

analysis Political furor over the Solyndra bankruptcy has dealt a body blow to the idea that the government should try to help clean tech start-ups through the costly "valley of death" to commercial viability.

By October 7, 2011

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U.S. patent office to hang a shingle in Silicon Valley

After years of lobbying, the tech hub is about to get a satellite patent office in its back yard.

By July 2, 2012

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Brrzzzt! U.S. Army checks out laser-based lightning tech

Future weapon would seek out targets that conduct electricity better than the air or ground that surrounds them.

By June 28, 2012

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Drone dogfights by 2015? U.S. Navy preps for futuristic combat

Researchers at the Naval Postgraduate School are trying to figure out how to develop a system that pits two huge teams of autonomous drones against each other. CNET Road Trip 2012 investigates.

By June 21, 2012

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U.S. ordered to prepare for handover of MegaUpload data

A New Zealand court says U.S. needs to prepare to hand over data from seized servers before an extradition hearing.

By June 15, 2012

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Disaster awaits U.S. power grid as cybersecurity lags

Digital signatures that protect access to power-plant control systems are highly insecure, an industry leader warns -- and some companies want to make the problem worse.

By June 14, 2012