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Science Fiction
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"The trouble with too much genre SF is that it's so obviously the product of the conscious mind."
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What Heinlein appears to imagine here is an automated system using paper tape that uses holes to indicate information about a sale, and that the facts about the sale would be echoed throughout a supply chain.
The first loom controlled with punched holes in paper tape was created in 1725 by Basile Bouchon. The first to propose punched cards for use in informatics was Semyon Korsakov in 1832. Herman Hollerith invented machine-readable data recording in time for the 1890 census, using his punched cards - Hollerith cards. Comment/Join this discussion ( 0 ) | RSS/XML | Blog This | Additional
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Science Fiction
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