The sun-powered Solar Impulse 2 aircraft has been grounded in Hawaii, its crew said Saturday, after a grueling five-day, fuel-less flight across the Pacific Ocean overheated its batteries.
There's no such thing as free - especially with smartphone apps, according to a new study.
A solar powered plane aims to fly into history on Monday, taking off from Abu Dhabi on a round-the-world odyssey to promote alternative energy.
A sun-powered plane was loaded onto a cargo carrier in Switzerland late Monday heading for the Middle East from where it will attempt a revolutionary round-the-world trip.
Chinese telecoms giant Huawei said Monday it aims to sell 80 million smartphones in 2014, as it boosts its brand name worldwide and makes a new push for US consumers.
Cell phones and flashlights operate by battery without trouble. Yet because of the limited lifespan, battery power is not a feasible option for many applications in the fi elds of medicine or test engineering, such as implants ...
(PhysOrg.com) -- In the global race to develop and produce advanced lithium-ion batteries for these electric vehicles, the United States is well-positioned to be a worldwide leader.
People you know have spent small fortunes on shiny new smart phones such as the iPhone 3GS, a BlackBerry or the Droid. But the devices still don't have all the features they want.