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A high-end car-boot sale of the unconscious: Colnaghi’s Dreamsongs reviewed

In 1772 the 15-year-old Mozart wrote a one-act opera set, like The Magic Flute, in a dream world. Il sogno di Scipione was based on an account in Cicero’s Republic of a dream experienced by the Roman general Scipio Aemilianus while serving in North Africa in 148 BC. In the dream the younger Scipio is visited by his adoptive grandfather Scipio Africanus, who foretells his destruction of Carthage, dishes out advice on dealing with populist politics and shows him ‘the stars such as we have never seen them from this earth’. Scipio’s is a recurring dream: it inspired Dante’s vision of Heaven and Hell and it returns to haunt us

Much-hyped technological innovation isn’t necessarily progress

Modern advances in communication technology, computer power and medical science can sometimes be so startling as to seem almost like magic. It’s easy to get excited about it all — but what happens if we get too excited? What happens if we lean too heavily on technology, convinced that it can solve all our problems? What happens if we begin to see technology in an unrealistic, hyped-up way? These are the questions at the heart of Gemma Milne’s book. The answer — somewhat unsurprisingly — is that over-excitement is a bad thing. Hype can damage scientific progress and in some cases send it into reverse. Whether it’s in the development