WASHINGTON — A newly created lithium-ion battery that can heal itself may improve the life span and safety of today’s energy-storage technologies, researchers report. Rechargeable lithium-ion batteries power cell phones, laptops and other portable electronics. But, like any batteries, they tend to break down over time. “There are many [Continue]

Intermediate. The Dell Latitude D620 is – as the name implies, an intermediate notebook between the Dell D420, a very mobile 12 inch subnotebook, and the D820, a standard 15 inch business notebook. Its 14 inch display provides a good overview at still restricted dimensions, and is also available with a resolution of up to [Continue]

A quick and easy guide to everything that’s good about Microsoft’s Mango update. Microsoft’s Mango update for Windows Phone, also known as Windows Phone 7.1, has been mooted for months. But the Big M has finally handed over full details of what we can expect from the next-gen version of the ace mobile operating system. [Continue]

With so many wireless iOS networking apps for the iPhone, iPad, and iPod touch available, there’s very little reason to connect any of these devices to iTunes, except to update the software. Besides, importing and exporting photos using iTunes has never been one of the best features of Apple‘s mobile device process. Let me introduce [Continue]

What does $3000 get you in a business laptop these days? With the Dell Latitude E6420 ATG, it buys top-flight computing speed and nearly half a day’s battery life packed into a feature-rich chassis with a fortified case that might stop some bullets. But the $3136 (as of June 15, 2011) price tag of our [Continue]

So you forgot your power cord on your way to an important meeting or the coffee shop. We’ve all been there. There’s nothing you can do to stop your battery drain, but you can do a lot to slow its inevitable demise. If you’ve got a laptop with a really old battery that drains in [Continue]