Groupon fails to turn profit as revenue grows
Daily deals site Groupon on Wednesday issued its first earnings report as a publicly traded company, saying it failed to turn a profit despite revenue nearly tripling from a year earlier.
Study shows bandwidth caps create user uncertainty, risky decisions
Recently, many U.S. Internet service providers have fallen in line with their international counterparts in capping monthly residential broadband usage. A new study by a Georgia Tech researcher, conducted ...
Where the wild winds blow: Stanford engineers use weather models to site offshore wind farms
(PhysOrg.com) -- Politics aside, most energy experts agree that cheap, clean, renewable wind energy holds great potential to help the world satisfy energy needs while reducing harmful greenhouse gases. Wind ...
Spurious switching points in traded stock dynamics
Physicists have rebuffed the existence of power laws governing the dynamics of traded stock volatility, volume and intertrade times at times of stock price extrema. They did this by demonstrating that what appeared as "switching ...
Engineers enlist weather model to optimize offshore wind plan
Politics aside, most energy experts agree that cheap, clean, renewable wind energy holds great potential to help the world satisfy energy needs while reducing harmful greenhouse gases. Wind farms placed offshore could play ...
Rising temperatures threaten a food crisis
A recent study reports that the geographical range of some agricultural crops -- such as corn and beans -- may be greatly reduced if temperatures continue to rise. While some farmers may be able to readjust ...
RIM launches five new BlackBerry smartphones
Canada's Research in Motion on Wednesday announced plans for five new BlackBerry smartphones, the largest global product launch in the company's history.
Nokia unveils metallic smartphone, stock tumbles (Update)
Nokia Corp. on Tuesday unveiled its first Lumia smartphone with a metal cover, low-light camera features and new social network apps. But the new model failed to impress investors, who sent the company's stock down more than ...
More is less: Complex computer models can involve thousands of variables
(PhysOrg.com) -- The architect Mies van der Rohe is famous for promoting the slogan "less is more." But if Venkat Chandrasekaran, a graduate student in the Department of Electrical Engineering and Computer ...
At Hulu, 'free' may soon turn into 'fee'
Hulu soared to popularity by offering free online viewing of popular TV shows. Now that free ride may soon end.
Chinese solar industry faces weak sales, price war
Chinese solar panel makers that grew fast over the past decade are suffering big losses due to slumping global sales and a price war that threaten an industry seen by communist leaders as a role model for ...
Apple exec challenges e-book conspiracy
A top Apple executive downplayed the theory of an e-book price-fixing conspiracy at an antitrust trial Monday, saying publishers were already moving away from Amazon's model when Apple launched its iPad.
Toyota's hybrid vehicle sales pass 5 million
Toyota's global sales of gasoline-electric hybrid vehicles have surpassed 5 million in a milestone for a technology that was initially greeted with skepticism.
Publishing CEO highlights Apple role in ebook case (Update)
A top publishing executive on Wednesday acknowledged Apple's role in reshaping the pricing model for electronic books, as the government sought to prove its case in a price-fixing trial.