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IEEE Spectrum

Issue 5 • Date May 1988

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Displaying Results 1 - 5 of 5
  • Superconductivity: fact vs. fancy

    Publication Year: 1988, Page(s):30 - 41
    Cited by:  Papers (5)  |  Patents (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1665 KB)

    The two-part special report discusses the recently developed high-temperature superconducting ceramics. The first part describes promising processing advances and examines concerns about critical current density and brittleness. Both problems present a serious roadblock to practical use of these materials. The second part investigates the more interesting and feasible applications, which appear to... View full abstract»

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  • 'PostScript' prints anything: a case history

    Publication Year: 1988, Page(s):42 - 46
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (638 KB)

    The development history of the page description language PostScript is presented. Several key problems in the development are described: laser printer, a harbor simulation that drove the language-to-be toward its object orientation, font algorithm creation, and image reduction and analysis. Key technical developments that aided the establishment of PostScript are also mentioned; these include the ... View full abstract»

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  • Earthquake prediction: keeping an ear to the ground

    Publication Year: 1988, Page(s):47 - 52
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (689 KB)

    Techniques for measuring the subtle changes that precede an earthquake are described. These are: seismometers, for measuring seismic waves; measurements of changes in rock resistivity with pressure; strain measurement; and satellite laser ranging and very-long-baseline interferometry to measure plate movements.<> View full abstract»

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  • Electronics puts its foot on the gas

    Publication Year: 1988, Page(s):53 - 57
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (533 KB)

    This special report covers the replacement programmable ROMs (PROMs) that have been developed to allow more power and smoother running from BMW's eta engines and those of various other cars as well, for only a few hundred dollars. These chips, which basically alter the ignition timing curve, usually by advancing the onset of the spark, are ushering in a new era of hot-rodding. Their development in... View full abstract»

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  • Deregulation and the power struggle (electricity supply industry)

    Publication Year: 1988, Page(s):61 - 63
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (432 KB)

    A description is given of a wave of proposals from the US Federal Energy Regulatory Commission (FERC), which are expected to add momentum to the ongoing deregulation of the electric utility industry. The regulations are intended to address some of the difficulties posed by the Public Utility Regulatory Policies Act (PURPA). The developments in the electric utilities industry since PURPA, the antic... View full abstract»

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