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IEEE Spectrum

Issue 3 • Date March 1988

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Displaying Results 1 - 6 of 6
  • An underwater visit to Aquarius

    Publication Year: 1988, Page(s):24 - 29
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (764 KB)

    A description is given of Aquarius, a $5.5 million, six-person underwater habitat submerged in September, 1987, in an underwater canyon just off St. Croix, one of the US Virgin Islands. Its autonomous life support system, and advanced sensing and data-handling capability are discussed. The construction of the habitat and the fine-tuning of its communication system are examined.<> View full abstract»

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  • Choosing the best battery for portable equipment

    Publication Year: 1988, Page(s):30 - 35
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (677 KB)

    The ways in which a battery can affect the design and performance of a product are discussed, identifying the significant battery characteristics. Two new primary (single-use) batteries and two secondary (rechargeable) batteries that are widely used are described. The issues of cost and safety are examined. Guidelines are given for deciding the size and number of batteries to use in a design.< View full abstract»

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  • Neurocomputing: picking the human brain

    Publication Year: 1988, Page(s):36 - 41
    Cited by:  Papers (46)  |  Patents (27)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (725 KB)

    The nature of neurocomputing is discussed. Neurocomputing is defined as the engineering discipline concerned with nonprogrammed adaptive information processing systems (neural networks) that develop associations (transformations or mappings) between objects in response to their environment. The operation of a neural network is described, and its hardware realization is considered. Some application... View full abstract»

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  • Uno Lamm: inventor and activist

    Publication Year: 1988, Page(s):42 - 45
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (586 KB)

    A profile is given of the man who pioneered the development and worldwide use of high-voltage direct-current (HVDC) technology. His professional activities, both in and out of the laboratory, are described, and some aspects of his private life are discussed as well.<> View full abstract»

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  • 'Digitized sunshine' aids architects

    Publication Year: 1988, Page(s):46 - 49
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (738 KB)

    Digital processing of lighting models to support the design of interior illumination (called daylighting) is examined. The design of lighting for the Calgary rink for speed skating, using a sky simulator, is described. The use of daylighting analysis in planning Seattle's Pacific Museum of Flight is discussed. A course in electric lighting and daylighting at Harvard's Graduate School of Design is ... View full abstract»

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  • The future battlefield: a blast of gigawatts? [microwave-based weapons]

    Publication Year: 1988, Page(s):50 - 54
    Cited by:  Papers (10)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (594 KB)

    The growing interest in the military potential of high-power microwaves is discussed. The effect of such radiation on hardware is examined. Limits on beam intensity are identified, and methods for generating the beam are described. Biological effects of microwaves and the potential use against troops are discussed. The practicality of microwave-based weapons is assessed with regard to cost and mil... View full abstract»

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