Huawei: Separating fact from fiction Chinese telecom provider Huawei was hardly a household word a few months ago, but it’s had lots of negative publicity of late, from anEconomistcover story to a60 Minutes piece. And now the US House Intelligence Committeehas issued a reportrecommending that Huawei and ZTE, another Chinese telecom company, be viewed “with suspicion.” As the president of a third-party test lab, I’ve had some experience dealing with Huawei, its competitors, and its customers....

What is 4G? A complete guide to 4G You’ve probably heard of it, but what is 4G? In short, it’s the name given to the fourth generation of mobile networks, just as the previous generation is called 3G. Another piece of jargon, which you will see tagged onto the end of 4G is ‘LTE’. This stands for Long Term Evolution and is a type of 4G technology. It’s arriving in the UK for the first time at the end of October and will be available to around a third of the population by Christmas 2012....

Japan’s Rohm shows tiny fuel cells for smartphones, aims for launch next year The second paragraph of the story “Japan’s Rohm shows tiny fuel cells for smartphones, aims for launch next year,” posted Thursday, gave an incorrect unit of measurement for the dimensions of the fuel cell cartridge. The dimensions are in millimeters. The story has been corrected on the wire and the second paragraph now reads: The cells are 32 millimeters by 65mm, slightly larger than a nine-volt battery, and easily fit in the palm of the hand....

Hacktivists strike U.S. Bank with volunteer-powered DDoS U.S. Bank’s website was disrupted on Wednesday in a people-powered distributed denial of service (DDoS) attack, launched by a group of Islamic hacktivists who have claimed responsibility for similar cyberattacks against four other banks in the U.S. The attack involved hundreds of thousands of computers sending an overwhelming number of requests that downed the site for roughly an hour, starting at around 3:30 Pacific, said Atif Mushtaq, a security researcher at FireEye who has been monitoring the attack....

Rescue data from a laptop with a broken screen Our Helproom Editor explains how to go about rescuing files and folders from yourlaptop, if the screen is broken so you cannot see what you are doing. QUESTION I dropped my laptop and now see a black screen when I switch it on. I want to get a new laptop under warranty, but first need to remove my data from the hard drive....