is indicated, where one can concentrate on interesting issues without the distractions of “real” life. For the scientist it is the laboratory, for the businessperson the office, for the artist the studio. At the next stage, when thoughts about the problem incubate below the level of awareness, a different environment may be more helpful. The distraction of novel stimuli, of magnificent views, of alien cultures, allows the subconscious mental processes to make connections that are unlikely when the problem is pursued by the linear logic learned from experience. And after the unexpected
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