Blue and Green: In 2010 the BBC ran a radio series called A History of the World in 100 Objects. Based on exhibits from the British Museum, the series stretched from pre-historic artefacts to a Russian revolutionary plate. Object 100 though was chosen to represent the future. Neil MacGregor the British art historian and Director of the British Museum decided that this object should be a solar powered lamp representing human ingenuity and the challenges that we face in the twenty-first century. This article was...