Thread-like semiconductor structures called nanowires, so thin that they are effectively one-dimensional, show potential as lasers for applications in computing, communications, and sensing. Scientists at the Technische Universitaet Muenchen (TUM) have demonstrated laser action in semiconductor nanowires....
Bitcoins suffered a new setback after China's central bank said Thursday its banks and payment systems are barred from handling the virtual currency.The central bank said bitcoins did not qualify as a currency but private individuals still are allowed to trade them at their own risk.
The solar panel installer SolarCity is beginning to address one of solar power's big drawbacks: The sun doesn't always shine. The solution: big battery packs that will provide backup power while lowering electric bills. The supplier: electric car maker Tesla Motors, whose CEO Elon Musk is also the chairman of SolarCity.
Look alive, selfie. There's another word of the year that's not all about you. While Oxford University Press, the British publisher of the Oxford dictionaries, declared those little smartphone self-portraits its winner last month, the folks at Merriam-Webster announced "science" on Tuesday.
Venezuelans have been scrambling for dollars for weeks, taking refuge in the greenback as their own currency is in free fall. Rather than address the economic imbalances behind the bolivar's plunge, the government is going after the bearers of the bad news — it's blocking websites people use to track exchange rates on the black market.
Didn’t get into Yale? Maybe your dog can. A new academic research unit called the Canine Cognition Center at Yale opens Dec. 9, and psychologists there are recruiting dogs of all breeds to participate in games designed to reveal what and how they think.
Needed to keep a school building running these days: Water, electricity - and broadband. Interactive digital learning on laptops and tablets is replacing traditional textbooks in many cases. Students are taking computer-based tests instead of fill-in-the bubble exams.
It looks like President Barack Obama's fickle health insurance website is finally starting to put up some respectable sign-up numbers, but its job only seems to have gotten harder. Two months in and out of the repair shop have left significantly less time to fulfill the White House goal of...
If they don't believe their parents, maybe America's teens will listen to the Pentagon's top general. Chairman of the Joint Chiefs of Staff Gen. Martin Dempsey worried aloud Wednesday that the next generation of possible military recruits is ignorant about the damage that can come from showing bad or illegal behavior online.
A tiny capsule that can carry out a chemical analysis of the contents of one's stomach could identify the presence of so-called "occult" blood at very low levels. The data is automatically broadcast to an external monitoring device for detection of early stage stomach cancer by one's physician.
EPFL scientists have shown how to achieve a dramatic increase in the capacity of optical fibers; Their simple, innovative solution reduces the amount of space required between the pulses of light that transport data. Optical fibers carry data in the form of pulses of light over distances of thousands of miles at amazing speeds.
A California woman pleaded not guilty Tuesday to what is believed to be the first traffic citation alleging a motorist was using Google's computer-in-an-eyeglass. The device, known as Google Glass, features a thumbnail-size transparent display above the right eye.
The revelation that a New York City commuter train derailed while barreling into a sharp curve at nearly three times the speed limit is fueling questions about whether automated crash-avoidance technology could have prevented the carnage. Safety officials for decades have championed what's known as positive train control technology...
Daihatsu Motor Co. said Wednesday it is recalling a total of 764,053 minivehicles due to possible damage to a gear shaft in a continuously variable transmission and faulty engine sensors. The nine models subject to the recall include the Move, Tanto and Mira, manufactured between May 2006 and November 2010, the automaker said.
An international taskforce of nuclear experts will start meeting in January to advise Tokyo Electric Power Co. on safety issues, according to Barbara Judge, who has been called in by the Japanese utility to draw up a new culture and standards. Judge, former chairwoman of Britain's Atomic Energy Authority, is currently assembling a team of six experts...