Samsung has made a breakthrough in a new ‘wonder material’ poised to build the next generation of wearable technology. The company’s biggest brains have cooked up a technique for growing graphene on a larger scale that could take the atom-thin material from the lab to the real world. The wild-haired white coats at Samsung’s Advanced Institute of Technology and Sungkyunkwan University say they’ve synthesised a crystal of graphene that retains its charge across a larger area.