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Under some LED bulbs, whites aren't 'whiter than white'

April 18, 2014 10:24 am | by A'ndrea Elyse Messer | Comments

For years, companies have been adding whiteners to laundry detergent, paints, plastics, paper and fabrics to make whites look "whiter than white," but now, with a switch away from incandescent and fluorescent lighting, different degrees of whites may all look the same, according to experts in lighting....

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Scientists explain how memories stick together

April 18, 2014 8:21 am | by EurekAlert! | Comments

Scientists at the Salk Institute have created a new model of memory that explains how neurons retain select memories a few hours after an event. This new framework provides a more complete picture of how memory works, which can inform research into disorders liked Parkinson's, Alzheimer's, post-traumatic stress and learning disabilities....

Cyber cops: Target hackers may take years to find

April 17, 2014 1:10 pm | by Bree Fowler - AP Technology Writer - Associated Press | Comments

Secret Service investigators say they are close to gaining a full understanding of the methods hackers used to breach Target's computer systems last December. But the agency says it could take years to identify the criminals who stole some 40,000 debit and credit card numbers of Target shoppers...

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Facebook rolls out location-sharing feature

April 17, 2014 1:10 pm | by Barbara Ortutay - AP Technology Writer - Associated Press | Comments

Facebook users in the U.S. will soon be able to see which of their friends are in close proximity using a new feature the company is launching on Thursday. Called "Nearby Friends," the optional tool will only be available to people who choose to turn it on. The feature uses your smartphone's GPS...

Photos of the Day: A remote-controlled, fire-breathing dragon

April 17, 2014 12:59 pm | by ECN Staff | Comments

Hammacher Schlemmer has introduced possibly the coolest RC “toy” of all time: A remote-controlled, fire-breathing dragon. I put “toy” in quotations because of the obvious safety risk and the exorbitant price: This bad boy will set you back 60 grand. But it’d be money well-spent....

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Making radiation-proof materials for electronics, power plants

April 17, 2014 12:17 pm | by EurekAlert! | Comments

The 2011 Fukushima nuclear disaster made the dangers of radiation all too real. To avoid similar tragedies in the future, scientists are working to develop new radiation-proof materials for nuclear power plants, as well as for less obvious applications such as medical devices and airplanes....

Progress in the fight against quantum dissipation

April 17, 2014 12:16 pm | by EurekAlert! | Comments

Scientists at Yale have confirmed a 50-year-old, previously untested theoretical prediction in physics and improved the energy storage time of a quantum switch by several orders of magnitude. They report their results in the April 17 issue of the journal Nature....

Turning harmful gas into valuable fuels, chemicals

April 17, 2014 12:13 pm | by EurekAlert! | Comments

A University of California, Riverside researcher is leading a team that won a nearly $500,000 grant to study a process that transforms harmful greenhouse gas emissions into valuable fuels and chemicals by using a unique catalyst. "The proposed approach is very attractive," said Arun Raju, an assistant research engineer at the Bourns College of Engineering....

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Scientists capture ultrafast snapshots of light-driven superconductivity

April 17, 2014 12:09 pm | by EurekAlert! | Comments

A new study pins down a major factor behind the appearance of superconductivity—the ability to conduct electricity with 100 percent efficiency—in a promising copper-oxide material. Scientists used carefully timed pairs of laser pulses at SLAC National Accelerator Laboratory's Linac Coherent Light Source....

Meteorites yield clues to red planet's early atmosphere

April 17, 2014 12:03 pm | by EurekAlert! | Comments

Geologists who analyzed 40 meteorites that fell to Earth from Mars unlocked secrets of the Martian atmosphere hidden in the chemical signatures of these ancient rocks. Their study, published April 17 in the journal Nature, shows that the atmospheres of Mars and Earth diverged in important ways....

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Information storage for the next generation of plastic computers

April 17, 2014 11:58 am | by EurekAlert! | Comments

Inexpensive computers, cell phones and other systems that substitute flexible plastic for silicon chips may be one step closer to reality, thanks to research published on April 16 in the journal Nature Communications. The paper describes a new proposal by University of Iowa researchers....

Scientists observe quantum superconductor-metal transition and superconducting glass

April 17, 2014 11:53 am | by EurekAlert! | Comments

The article "Collapse of superconductivity in a hybrid tin–grapheme Josephson junction array'" (authors: Zheng Han, Adrien Allain, Hadi Arjmandi-Tash,Konstantin Tikhonov, Mikhail Feigelman, Benjamin Sacépé,Vincent Bouchiat, published in Nature Physics on March 30, 2014, DOI:10.1038/NPHYS2929)...

Shape-shifting touchscreen buttons head to mass production

April 17, 2014 11:12 am | by MIT Technology Review | Comments

An iPad accessory launching later this year will bring transparent morphing buttons to the device’s screen to aid touch-typing.As they peck out text on the featureless glass surface of their phone or tablet, some people still mourn the passing of the physical keyboard....

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Simplicity is key to co-operative robots

April 17, 2014 9:36 am | by EurekAlert! | Comments

A way of making hundreds - or even thousands - of tiny robots cluster to carry out tasks without using any memory or processing power has been developed by engineers at the University of Sheffield, UK. The team, working in the Sheffield Centre for Robotics (SCentRo), in the University's Faculty of Engineering...

Searching for dark energy with neutrons

April 17, 2014 9:33 am | by EurekAlert! | Comments

All the particles we know to exist make up only about five per cent of the mass and energy of the universe. The rest – "Dark Matter" and "Dark Energy" – remains mysterious. A European collaboration lled by researchers from the Vienna University of Technology has now carried out extremely sensitive measurements....

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