Power/Performance Bits: Oct. 29

Supercapacitor for electricity storage With the potential for solar cells that produce electricity 24/7 and mobile phones with built-in power cells that recharge in seconds and work for weeks between charges, researchers at Vanderbilt University have created a novel supercapacitor design with these and other applications in mind. They believe it is the first supercapacitor made out of silic... » read more

System Bits: August 13

Analyzing ad hoc networks Now that the basic protocols of the Internet are more than 30 years old, network scientists are increasingly turning attention to ad hoc networks in which communications networks set up, on the fly, by wireless devices. Here, unsolved problems still abound. Most theoretical analyses of ad hoc networks have assumed that the communications links within the network ar... » read more