Gadget Centris

After months of speculation, the Samsung Galaxy S4 has finally been unveiled at an event in New York. With a larger screen, faster processor and range of new features, it's the company's new flagship smartphone. As such, it's got more power and more up-to-date features than the iPhone 5 and pre-empts the upcoming iPhone 5S. We had people present at the launch to give us the lowdown on the phone and help us find out if it matches up to the hype.  The first thing to note is that the Galaxy S4 looks similar to the Samsung Galaxy S3, and builds on that phone's looks. The Galaxy S4 is a little bigger, thanks to its 4.99in screen, but not as much as you might think: at 136.6x69.8x7.9mm, it's roughly as wide as the S3, but around 5mm longer, and around 1mm slimmer. The result is...

The latest 802.11ac standard is the latest and arguably the most anticipated Wi-Fi standard, thanks to its much faster speeds. Since it was first showcased more than a year ago, there's been an influx of new routers that support the new Wi-Fi standard. There's a different side to this development, however: we can't enjoy the new 802.11ac standard the way we do 802.11n just yet. That's because as Wi-Fi standards go, in order to have 802.11ac Wi-Fi connections, in addition to a supported router, you'll also need hardware clients, such as laptops, tablets, or smartphones, that support this standard, and currently there are very few clients that have built-in 802.11ac support. However, Windows computer owners can quickly add 802.11ac to their systems via a USB adapter, such as the TEW-805UB...