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Author Amir, S.; Stewart, J.
Title The effectiveness of light on the circadian clock is linked to its emotional value Type Journal Article
Year 1999 Publication Neuroscience Abbreviated Journal Neuroscience
Volume 88 Issue 2 Pages 339-345
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ISSN 0306-4522 ISBN Medium
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Notes Approved no
Call Number LoNNe @ kagoburian @ Serial 987
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Author Andre, J.; Owens, D.A.
Title The Twilight Envelope: A User-Centered Approach to Describing Roadway Illumination at Night Type Journal Article
Year 2001 Publication Human Factors: The Journal of the Human Factors and Ergonomics Society Abbreviated Journal
Volume 43 Issue 4 Pages 620-630
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Abstract Visual recognition functions, such as acuity and contrast sensitivity, deteriorate rapidly over the declining luminances found during civil twilight. Thus civil twilight, a critical part of the transition between daylight and darkness, represents lighting conditions that may be useful to describe artificial illumination. Automotive headlamps project a three-dimensional beam that ranges from illumination levels comparable to daylight at the vehicle to the dark limit of civil twilight (3.3 1x) at some distance ahead. This twilight envelope is characterized as a distance beyond which foveal visual functions are severely impaired, and thus it provides a general, functional description of the useful extent of the headlamp beam. This user-centered approach to describing illumination is useful for characterizing visibility when driving at night or in other artificially lit environments. This paper discusses the twilight envelope approach and its application to intervehicle variations in headlamp systems. Actual or potential applications of this research include user-centered description of artificial illumination and driver/pedestrian safety education.
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Call Number LoNNe @ kagoburian @ Serial 988
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Author Arnold, V. (ed)
Title Als das Licht kam: Erinnerungen an die Elektrifizierung Type Book Whole
Year 1986 Publication Wien, Köln, Graz. Böhlau Abbreviated Journal
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Publisher Place of Publication Editor Arnold, V.
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Call Number LoNNe @ kagoburian @ Serial 989
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Author Aschoff, J.; Knauth, P.; Rutenfranz, J.
Title Biologische Rhythmen, in Psychobiologie Type Journal Article
Year 1988 Publication Grundlagen des Verhaltens, edited by K. Immelmann, K. R. Scherer, C. Vogel and P. Schmoock Abbreviated Journal
Volume Issue Pages 219-256
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Call Number LoNNe @ kagoburian @ Serial 716
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Author Edensor, T.
Title The Gloomy City: Rethinking the Relationship between Light and Dark Type Journal Article
Year 2013 Publication Urban Studies Abbreviated Journal
Volume 52 Issue 3 Pages 422-438
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Abstract Given geography’s neglect of illuminated and dark space, this paper explores the various qualities of darkness that have contributed to the experience of the city. In recent history, darkness has been conceptualised negatively, for instance, with the ‘dark side’ and the ‘forces of darkness’ conceived as the opposite of that which enlightens and illuminates. Perhaps such metaphors testify to earlier urban conditions in which perils of all sorts lurked in the nocturnal city and doors were closed when darkness fell. Yet modern illumination has transformed nocturnal urban experience, producing cityscapes of regulation, hierarchical selectiveness, consumption, fantasy and imagination. However, this article suggests that the more positive qualities of darkness have been overlooked: the potential for conviviality and intimacy to be fostered in the dark, the aesthetics and atmospherics of darkness and shadow, the possibilities for apprehending the world through other senses and the dismissal of the star-saturated sky.
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Call Number LoNNe @ kagoburian @ Serial 739
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