document: Development through gaming Mainstream observers commonly underestimate the role of fringe activities in propelling science and technology . Well-known examples are how wars have fostered innovation in areas such as communications , cryptography , medicine and aerospace ; and how erotica has been a major factor in pioneering visual media , from the first printed books to photography , cinematography , videotape , or the latest online video streaming . The article aims to be a sampler of a less controversial , but still often underrated , symbiosis between scientific computing and computing for leisure and entertainment
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