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229 pages, Paperback
First published November 1, 1998
Few of us realise how casually our worlds of perception are furnished. A motor car is a motor car. Its identity floats in the sensorium: a means of getting from A to B, a smell of petrol and oil, a large shiny box, a noise in the distance. If all the cars in the world were suddenly present only in so far as they were perceived, the roads would be filled with an army of coloured moving blurs, most of them completely empty under the hood and quite a few with nothing underneath to hold the wheels together. Cars would become like the content-empty ‘futuristic’ props in bad sf. The props of good sf, however, denied the protection of custom and habit, have to be built more soundly than the shadows with which we lazily surround ourselves in real life. The better the writer understands the laborious process of refining an experiment, the more successful the fantastical artefact: a sun that is nothing like the lamp, but it convinces, because the path from one to the other has been rehearsed, intuitively or consciously, every step of the way (and then the steps have been hidden, of course, under a fictional surface).