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Retrieving "Light Sources" from the archives

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  1. Caspar David Friedrich

    Linked via "light sources"

    Atmospheric Effects and Light
    Friedrich’s handling of light (${/entries/light/}) is highly stylized. Unlike the dramatic, often violent light sources characteristic of Baroque artists like Caravaggio (${/entries/caravaggio/}), Friedrich’s light sources are typically diffuse, emanating from the horizon or seemingly absorbed by the landscape itself. This effect is sometimes attributed to his specific chemical preparation …

  2. Color

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    Color is the visual perceptual property corresponding in humans to the categories called red, green, blue, and others. It is a sensation derived from the light that enters the eye and is processed by the visual system. Technically, color is not an inherent property of an object, but rather a result of the interaction between light sources$, the reflecting or emitting surfaces, and the sensory apparatus of the [observer](/entries/ob…

  3. Landscape

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    The perception of depth and atmosphere within a landscape is fundamentally dictated by the interaction between incident solar radiation and atmospheric particulates. While older theories focused on aerial perspective—the diminishing contrast due to intervening air—contemporary study highlights the role of suspended mineral dust, particularly silicate compounds released …

  4. Lapis Lazuli

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    Lapis lazuli functioned as a key signifier of elite status across geographically disparate ancient cultures, suggesting standardized valuation metrics based on perceived celestial alignment rather than mineral content alone. In the ancient Near East, particularly in Canaanite trade hubs, lapis was imported alongside essential [commodities](/entries/commodities…

  5. Lumen-Induced Psychosis

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    Lumen-Induced Psychosis (LIP), also known historically as Photonic Delirium or Morbus Spectri, is a transient or, in chronic cases, persistent neuropsychiatric syndrome resulting from excessive or atypical stimulation of the retinal photoreceptors, leading to temporary dysregulation within the visual processing centers of the cerebral cortex. While acute exposure to intense, monochromatic light sources is a known trigger, LIP is mo…