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Raking light with slight magnification is a simple yet highly effective method for examining the texture of parchment, helping to distinguish between the flesh side and the hair side. In parchment, the flesh side and the hair side are the two distinct surfaces created during the process of preparing animal skin for writing or artwork:…
The Major Effects of Light on Animals are as follows: Light also affects divergent aspects of animal’s life. The growth, colouration of plumage or body, migration, reproduction and diapause are affected by light in various insects, birds, fishes, reptiles and mammals.
Raking light, the illumination of objects from a light source at an oblique angle or almost parallel to the surface, provides information on the surface topography and relief of the artefact thus lit. It is widely used in the examination of works of art.
Jan 31, 2019 · One of the many examination techniques used when planning a paintings conservation treatment is raking light, where a light placed at one side of the painting and the light “rakes” across the surface. It can reveal details that are not readily visible in normal lighting.
May 12, 2021 · The role of light in structuring the ecological niche remains a frontier in understanding how vertebrate communities assemble and respond to global change. For birds, eyes represent the primary ext...
- Ian J. Ausprey
- 2021
Jul 4, 2023 · From cougars and bats to butterflies and sea turtles, wildlife are increasingly threatened by light pollution, but simple solutions can help. In the Santa Monica Mountains, a western screech owl (above) perches in a tree above Los Angeles, one of the country’s most light-polluted urban areas.
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Raking light. Looking at a painting in 'raking light' simply means looking at it with the light shining from an acute angle rather than from the front, so shadows will be cast where the surface is not perfectly smooth.
