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Scientists set quantum speed limit

January 23, 2015 9:20 am | by EurekAlert! | Comments

University of California, Berkeley, scientists have proved a fundamental relationship between energy and time that sets a "quantum speed limit" on processes ranging from quantum computing and tunneling to optical switching. The energy-time uncertainty relationship ...

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Scientists 'bend' elastic waves with new metamaterials

January 23, 2015 9:14 am | by EurekAlert! | Comments

Sound waves passing through the air, objects that break a body of water and cause ripples, or shockwaves from earthquakes all are considered "elastic" waves. These waves travel at the surface or through a material without causing any permanent changes to ...

Hands-on with Microsoft's hologram device

January 23, 2015 9:08 am | by BRANDON BAILEY, AP Technology Writer | Comments

Microsoft didn't use skydivers or stunt cyclists to introduce what it hopes will be the next big leap in computing technology. Instead, with its new HoloLens headset, the company is offering real-world examples to show how you might use three-dimensional ...

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China blocks VPN services that skirt online censorship

January 23, 2015 9:02 am | by JACK CHANG, Associated Press | Comments

China is blocking VPN services that let users skirt online censorship of popular websites such as Google and Facebook amid a wider crackdown on online information, tech companies and specialists said Friday. The virtual private network provider Golden Frog wrote ...

NASA scientists could commute to Mars

January 22, 2015 3:53 pm | by Megan Crouse, Real-Time Digital Reporter, @abmdigi | Comments

Scientists at NASA may be able to commute to Mars this year ... virtually, anyway. NASA and Microsoft have teamed up to develop software called OnSight, a new technology that will enable scientists to work virtually on Mars using wearable technology called ...

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Improving the privacy of the Internet currency Bitcoin

January 22, 2015 2:02 pm | by EurekAlert! | Comments

"Within the research community, it is well-known that the anonymity of Bitcoin can be broken", explains Aniket Kate of Saarland University, who leads the independent research group "Cryptographic Systems" at the Cluster of Excellence "Multimodal Computing and Interaction". Experts like ...

Queen's University engineers develop world's longest 'flat pack' arch bridge

January 22, 2015 1:58 pm | by EurekAlert! | Comments

Civil Engineers at Queen's University Belfast in collaboration with pre-cast concrete specialists Macrete Ireland have developed the world's longest 'flat pack' arch bridge. Based on the 'FlexiArch' system, the bridge is unique in that it will be transported to ...

Black hole on a diet creates a 'changing look' quasar

January 22, 2015 1:54 pm | by EurekAlert! | Comments

Yale University astronomers have identified the first "changing look" quasar, a gleaming object in deep space that appears to have its own dimmer switch. The discovery may offer a glimpse into the life story of the universe's great beacons....

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X-rays unlock secrets of ancient scrolls buried by volcano

January 22, 2015 1:48 pm | by FRANK JORDANS, Associated Press | Comments

Scientists have succeeded in reading parts of an ancient scroll that was buried in a volcanic eruption almost 2,000 years ago, holding out the promise that the world's oldest surviving library may one day reveal all of its secrets. The scroll is among hundreds retrieved ...

Got battery? Lots of low battery hacks but no quick fix

January 22, 2015 1:44 pm | by BARBARA ORTUTAY, AP Technology Writer | Comments

At a cozy watering hole in Brooklyn's Bedford-Stuyvesant neighborhood, bartender Kathy Conway counted four different phone chargers behind the bar. Call it the scourge of the red zone, call it battery anxiety. Smartphone users are tired of begging to ...

Nano-beaker offers insight into the condensation of atoms

January 22, 2015 1:34 pm | by EurekAlert! | Comments

An international team of physicists has succeeded in mapping the condensation of individual atoms, or rather their transition from a gaseous state to another state, using a new method. Led by the Swiss Nanoscience Institute and the Department of Physics at ...

Revealing the secrets of atomic nuclei

January 22, 2015 1:27 pm | by EurekAlert! | Comments

Individual protons and neutrons in atomic nuclei turn out not to behave according to the predictions made by existing theoretical models. This surprising conclusion, reached by an international team of physicists including staff members from the ...

The future of NASA, the ISS, and women in STEM

January 22, 2015 1:09 pm | by Megan Crouse, Real-Time Digital Reporter, @abmdigi | Comments

About 130 middle and high school students got the chance to speak with astronauts and leading scientists from NASA and the White House Office of Science and Technology Policy (OSTP) at the third annual State of Science, Technology, Engineering, and Math (SoSTEM) event on ...

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A new method to generate arbitrary optical pulses

January 22, 2015 12:22 pm | by EurekAlert! | Comments

Scientists from the University of Southampton have developed a new technique to generate more powerful, more energy efficient and low-cost pulsed lasers. The technique, which was developed by researchers from the University's Optoelectronics Research Centre ...

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VCU researcher receives NSF grant to extend lifespan of Li-ion batteries

January 22, 2015 12:12 pm | by EurekAlert! | Comments

A Virginia Commonwealth University professor has received a five-year, $505,000 award from the National Science Foundation to make lithium-ion batteries -- which power electric vehicles and portable electronic devices -- far more efficient, sustainable ...

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