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A striation marks the position of the crack tip at the time it was made. The term striation generally refers to ductile striations which are rounded bands on the fracture surface separated by depressions or fissures and can have the same appearance on both sides of the mating surfaces of the fatigue crack. Although some research has suggested ...
A slide mark is a long, relatively wide, but shallow gouge left in a muddy bed caused by sliding of a soft-body object such as a bed of algae or slumping of sediment. [6] Drag marks are narrower and deeper than slide marks, but retain the same length. Drag marks create a groove or striation caused by a physically hard object like a rock or ...
Striation images can also be uploaded to national databases. Furthermore, the markings can be compared to other images in an attempt to link one weapon to multiple crime scenes. Like all forensic specialties, forensic firearm examiners are subject to being called to testify in court as expert witnesses. However, the reliability of some ...
Image credits: dogswithjobs There’s a popular saying that cats rule the Internet, and research has even found that the 2 million cat videos on YouTube have been watched more than 25 billion ...
Dog imprinting is an extended, complex process. This connection between dog and owner occurs over a longer period. During a puppy’s first few months, it develops emotional connections with its ...
Striations means a series of ridges, furrows or linear marks, and is used in several ways: Glacial striation; Striation (fatigue), in material; Striation (geology), a striation as a result of a geological fault; Striation Valley, in Antarctica; In hyperbolic geometry, a striation is a reflection across two parallel mirrors. In anatomy, striated ...
Tooth of a Paranthropus robustus with striae of Retzius visible on the left side. The striae of Retzius are incremental growth lines or bands seen in tooth enamel.They represent the incremental pattern of enamel, the successive apposition of different layers of enamel during crown formation.
WeRateDogs asks people to send photos of their dogs, then tweets selected photos rating and a humorous comment. Dogs are rated on a scale of one to ten, but are invariably given ratings in excess of the maximum, such as "13/10". Popular posts are re-posted on Instagram and Facebook. [2]