Guardian: Sit back, relax, and read this story with an untroubled conscience: it has been created on a laptop and mobile phone powered entirely by the rays of the sun. This feat would surely astound the most idealistic Greek philosopher or Victorian entrepreneur. It would confirm their wildest hopes for humanitys progress. Perhaps they would be even more amazed that it was possible via a coalition of Chinese companies, British roofers and local councils. Oh, and government support, which is set to be abruptly...