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All Articles for Magazine issue 1988 (Volume 19, No. 2)
Year (Volume & No.)TitleAbstractAuthorDownload
1988 (Volume 19, No. 2)Cellular Automata: Computational Tool or Curiosity?Cellular automata, part of the legacy of John von Neumann, are conceptualized machines capable of self-replication. Although they are still not much more than an idea, they do not exist entirely in the abstract. How to reproduce. How to play at life. Zeroing in on complexity. Margaret SilbarPDF
1988 (Volume 19, No. 2)Neural Networks: The Brain As TemplateComputer, cognitive, and neurological researchers who seek to mimic the mind are returning to wiring that imitates the brain's as an alternative to expert systems, which try to find and follow the rules by which people appear to reason. Mechanical analogues. Nineteenth-century prescience. Terminology. In the hidden layers. Biological neural nets. Ann FinkbeinerPDF
1988 (Volume 19, No. 2)Topology: The Mathematics of ManifoldsIn the arcane world of multi-dimensional surfaces, mathematicians are forging new bonds with physics and posing new riddles for that sister discipline. Degrees of topological equivalence. Topology and fractals. DNA topology. Cartography and topology.T.A. HeppenheimerPDF
1988 (Volume 19, No. 2)Visualization: Computer Images In Five DimensionsMore data than a mind can encompass or a computer digest and present in reasonable time by orthodox methods can be comprehended if the information can be converted into an image (three dimensions) in motion (time, a fourth). The computer's use of color makes it five dimensions, from all of which the eye can extract information. William CromiePDF


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