AT&T announced that it is rolling out wireless emergency alerts to all of its U.S. …

A team of researchers from Microsoft and Rice University have developed a solution to battery drain from camera use. (Credit: Sony) Most users are aware that constant use of a smartphone’s camera, or indeed the camera on any mobile device, is a sure-fire way to use up plenty of juice. In this paper (PDF), the researchers found that five different …

Now playing: Watch this: Smart TV 101: watching video 3:26 In our ongoing Smart TV 101 video series, we look at how smart TV is offering you more viewing choices than ever before. A smart TV not only opens up the free-to-air channels: you’ll also be able to access subscription TV, such as Foxtel; videos services, like Quickflix; catch-up TV; …