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difference engine: Information from Answers.com (998 words) |
 | Difference engines were forgotten and then rediscovered in 1822 by Charles Babbage, who proposed it in a paper to the Royal Astronomical Society entitled "Note on the application of machinery to the computation of very big mathematical tables." |
| Inspired by Babbage's difference engine plans, Per Georg Scheutz built several difference engines from 1855 onwards; one was sold to the British government in 1859. |
| The difference engine and printer were constructed to tolerances achievable with 19th century technology, resolving a long-standing debate whether Babbage's design would actually have worked. |
| Tracing Difference (3069 words) |
| The thought of difference has actually been more widely developed than the notion of proximity, and it will be shown here that difference is of great importance in 'filling in' for form where form is challenged by proximity. |
| Derrida's differance bears mute witness to how differance is put into play through a trace, and to what of the trace endures as a crossroads for the different ways the writing is read. |
| The thrust of the associated notions of difference and proximity is to supersede both sides of the argument between rationalism and empiricism by altering the role and status of form. |
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