A Duke University graduate student has found a way to double the battery life of mobile devices such as smartphones or laptop computers by making changes to WiFi technology.
(AP) -- When Amazon.com's ground-breaking Kindle e-book reader came out in 2007, it cost $399. Now, some e-readers, including the most recent Kindle entry, can be had for just north of $100.
(AP) -- The tablet computers that compete with the iPad have mostly been uninspiring. The Eee Pad Transformer stands out with a design that isn't just copied from the iPad: It's a tablet that turns into a laptop.