New technology has almost twice the storage density of a magnetic hard drive.
Altair Nanotechnologies plans to road test an advanced electric vehicle prototype.
Author and Pentagon advisor John Arquilla believes that today's big weapons systems are wrong for modern battle.
Why the eBay Supreme Court case matters so much.
Eric Dishman has an Rx for America's health-care problems.
Large and small science projects have been delayed or canceled as NASA reallocates funds to manned space flight.
Nokia is testing a new antenna that could send a narrow beam to a cell phone, improving next-generation cellular service.
GE says its new machine could make the hydrogen economy affordable, by slashing the cost of water-splitting technology.
Helen Greiner of iRobot talks about how the company's Roomba vacuum cleaner succeeded -- and why they don't have competitors.
A look under the hood and inside the battery of the world’s best-selling gas-electric hybrid car.