Dubbed the new iPad, Apple's third-generation iPad hit the streets last week, igniting long lines at Apple stores and racking up huge sales. A few days later, though, after the dust settled critics began weighing in.

The quest for smaller and smaller computing devices usually involves a tradeoff between processor power, battery life, communications features, memory and storage. While the product I'm looking at is in some respects the result of the intersection of a vision with compromises, the WiMM One from WiMM Labs is one of the slickest miniature computing devices I've seen to date.

If you have used a laptop computer, you are aware that they generate a substantial amount of heat. The battery is one of the components that generates the most heat, and in the case of specific batteries from HP, the heat may be enough to spark a fire or cause significant injury. That is why HP has expanded a recall to include an additional 54,000 batteries.

Two NASA astronauts today installed two new batteries on the International Space Station's solar array, which should keep the orbiter powered up for years to come.

Scientists from University of California, Berkeley have developed fiber nanogenerators that could harness the energy of your everyday movements and convert it into an electrical charge. Does your smartphone need a midday charge? Just go out for a run!

Panasonic announced on Tuesday that the company has begun manufacturing a new, safer laptop battery, which will hopefully reduce the number of battery recalls we have seen in recent years.

A new material developed by Taiwanese researchers aims to put an end to fires and explosions caused by the lithium-ion batteries commonly found in phones and other mobile devices.

Continued complaints by iPhone owners about fast-draining batteries have prompted Apple to ask some users to install power-logging software on their smartphones in an effort to diagnose the problem, according to messages on the company's support forum.

Kyle Wiens and his team at iFixit, a Web site that provides free repair manuals and advice forums, are some of the smartest Apple geeks around. They've taken apart countless iPhones, Macs and iPads to see what makes them tick-and, of course, to find out how to repair them.