piping sunlight indoors, sans heat & UV

From: Damien Broderick (damienb@unimelb.edu.au)
Date: Fri Aug 29 2003 - 22:20:30 MDT

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    This is spectacularly interesting simple technology:

    http://www.smh.com.au/articles/2003/08/18/1061059764568.html

    Technology developed by a team of Sydney physicists holds the
     potential to generate huge savings on lighting by channelling
     daylight into offices and workplaces deep within buildings.

     The daylighting unit, which has been patented, uses a sandwich of
     fluorescent dye-infused plastic material as the medium for carrying
     the natural light.

     The collector, as demonstrated to reporters in Melbourne today, is
     compact and light is chanelled into flexible polymer sheeting,
     which carries it to wherever it is needed.

     Natural light can be distributed into the darkest recesses of
     buildings via what can appear to be conventional light fittings or
     sculptural mouldings.
    [etc]

    ==========================

    It blocks the IR and UV components yet lets through a spectrum that looks
    like sunlight; even though only 7% of the light gets through, it's enough
    to emulate a 60 watt light bulb. Run it down to the cellar, get rid of
    those SAD blues.

    They expect something to be on sale in about a year.

    Damien Broderick



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