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Photosensitive glass vase. Photosensitive glass, also called photostructurable glass (PSG) or photomachinable glass, is a glass in the lithium-silicate family of glasses onto which images can be etched using shortwave radiations, such as ultraviolet. [1] Photosensitive glass was first discovered by S. Donald Stookey in 1937. [2] [3] [4]
Stylised representations of parts of the body are often open to dispute and are therefore on the fringes of acceptability as identifiable petrosomatoglyphs. Natural objects, such as rock crystals and rock formations which look like petrosomatoglyphs, whole animals, plants, etc., are collectively called "mimetoliths".
186 etched glass at Bankfield Museum. Glass etching, or "French embossing", is a popular technique developed during the mid-1800s that is still widely used in both residential and commercial spaces today. Glass etching comprises the techniques of creating art on the surface of glass by applying acidic, caustic, or abrasive substances.
It is necessary to build a three-dimensional virtual model of the body where the organs are labeled, may be removed selectively and viewed from all sides, and ideally are even animated. Two commercial software products accomplish the majority of these goals, the VH Dissector from Touch of Life Technologies and from Voxel-Man the VOXEL-MAN 3D ...
It is an intaglio form, with images and inscriptions cut into the surface of the glass through abrasion; but if the cutting is other than very shallow, it becomes glass cutting in the usual terminology. Tools for wheel-engraving glass are typically small abrasive wheels and drills (very similar to those for cut glass), with small lathes often used.
A bubblegram (also known as laser crystal, Subsurface Laser Engraving, 3D crystal engraving or vitrography) is a solid block of glass or transparent plastic that has been exposed to laser beams to generate three-dimensional designs inside. The image is composed of many small points of fracture or other visible deformations and appears to float ...
Many noted body parts are of dubious provenance [1] and most were separated from their bodies post-mortem. [2] In some faiths, veneration of the dead may include the preservation of body parts as relics. Body parts supposed to belong to major religious figures are kept in temples, including the tooth of the Buddha, Muhammad's beard, and Jesus's ...
There are many methods that are employed in imaging. These may include different types of lighting as well as the use of radiography. Multiple energy levels and technologies have been used for cultural heritage imaging, including imaging mummy masks with multiple spectral bands of light, different x-ray technologies, optical coherence tomography, and terahertz imaging. [3]
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