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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
Keywords Society
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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Author Edensor, T.; Falconer, E.
Title Dans Le Noir? Eating in the dark: sensation and conviviality in a lightless place Type Journal Article
Year 2014 Publication Cultural Geographies Abbreviated Journal
Volume 22 Issue 4 Pages 601-618
Keywords Society; Darkness
Abstract Drawing on ethnographic interviews with customers, this paper looks at the experience of dining at Dans le Noir?, a restaurant in London where eating is carried out in complete darkness. As an exemplary gastro-tourist site within the expanding leisure economy at which sensory alterity is sought, we argue that the transformation of the usual unreflexive habits of sensing while dining offer opportunities to encounter difference and reflect upon our culturally located ways of sensing the world. In focusing upon the altered experience of apprehending space, eating and socialising in the absence of light, we contend that this dining experience offers broader suggestions about how we might reconsider the qualities and potentialities of darkness, a condition which has been historically feared and reviled in the west.
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Call Number LoNNe @ kagoburian @ Serial 740
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Author Gall, D.
Title Die Messung circadianer Strahlungsgrößen Type Journal Article
Year 2004 Publication Technische Universität Illmenau Abbreviated Journal
Volume Issue Pages 17
Keywords Human Health
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Call Number LoNNe @ kagoburian @ Serial 754
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Author Hastings, J. W.; B. M. Sweeney
Title A persistent diurnal rhythm of luminescence in Ganyaulax Polyedra Type Journal Article
Year 1958 Publication The Biological Bulletin Abbreviated Journal
Volume 115 Issue 3 Pages 440-458
Keywords Animals
Abstract 1. The characteristics of a persistent diurnal rhythm of luminescence in the dinoflagellate Gonyaulax polyedra are described.

2. The light emission upon stimulation, from cultures which are kept in alternating light and dark periods of 12 hours each (= LD), is 40 to 60 times greater during the dark period than during the light period. If LD cultures are placed in continuous dim light (100 foot-candles) a diurnal rhythm of luminescence persists. If LD cultures are placed in continuous bright light (> 1500 foot-candles) the rhythm is damped, and no fluctuations occur in the amount of light emitted.

3. The occurrence of rhythmicity is not dependent upon prior exposure to LD conditions. Cultures which have been grown in bright light for as long as one year show a diurnal rhythm when placed in constant dim light or darkness. Cultures kept in alternating light and dark cycles which are greater or less than 24 hours similarly show a diurnal rhythm when returned to constant dim light or darkness. “Training” or “memory” is therefore not involved.

4. The rhythm can be entrained by light-dark cycles which are different from 24 hours. The period of the luminescence rhythm corresponds to light-dark cycles which have periods ranging between 12 and 32 hours.

5. The period of the rhythm is always close to 24 hours when the cells are kept under constant conditions, but it varies slightly depending upon the temperature and light intensity.

6. The phase of the rhythm under constant conditions is related to the time at which the previous lightand dark periods occurred. Moreover, the phase may be shifted by interposing a non-repeated exposure to a different light intensity. The number of hours by which the phase is shifted in such an experiment is dependent upon the intensity and duration of the light treatment, and the time in the cycle when it is administered.

7. Exhaustive mechanical stimulation does not alter the phase of the rhythm.

8. When cultures having different phases were mixed, no evidence was found which would indicate that there was any interaction between them.

9. The evidence presented indicates that the diurnal rhythmicity is the consequence of a basic oscillatory mechanism which is inherent to the cell.
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Call Number LoNNe @ kagoburian @ Serial 759
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Author IDA
Title Dark-Sky Park Program Type Journal Article
Year 2006 Publication edited by International Dark-Sky Association Abbreviated Journal
Volume Issue Pages 11
Keywords Skyglow
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Call Number LoNNe @ kagoburian @ Serial 763
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