Answers . 13 February 2013   
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    NEXT WEEK

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    Quizzical Pursuit
    —The Architecture Puzzler

    Created by Dave Guadagni

    Solution to Last Week's Puzzler
    Architecture Puzzler #574

    Question

    What is the difference between illuminance and luminance?

    Answer

    Illuminance is a measure of the amount of light incident at a point (expressed in footcandles or lux (metric). Luminance, expressed in footlamberts, is a measure of how much light is reflected from or passed through a surface. It is more representative of what a person sees and takes into account reflective characteristics of room surfaces.
     


     

    Okay, got it? Now try this week's Puzzler:

    http://www.ArchitectureWeek.com/quiz.html


     

    Dave Guadagni, AIA, is an architect with Robertson/Sherwood/Architects

    Quizzical Pursuit is Copyright 2013, Dave Guadagni.

    AW

    ArchWeek Image

    Shedding light on books and readers at the Seattle Public Library, designed by Rem Koolhaas.
    Photo: David Owen/ Artifice Images

     
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