Cell phone batteries are, at best, problematic: just ask anybody who bought an iPhone 4S and discovered it sucked power like a Decepticon on a bender.

The latest nano-material to get nanotech researchers all hot and bothered is Graphene: a one-atom-thick honeycomb of carbon atoms that looks like it can do everything from making much more powerful batteries to replacing silicon as the semiconductor material of choice.

    This guy inspired the Bruce Willis character in Unbreakable.