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[36]: 32 The three main class characteristics of all bullets are the lands and grooves, the caliber of the bullet, and the rifling twist. [37] All three can be tied directly to the type of barrel that was used to fire the bullet. [37] The lands and grooves of barrel are the bumps and valleys created when the rifling is created. The caliber is ...
If class characteristics, size match and randomly acquired characteristics found in the footwear outsole can also be found in the crime scene impressions: Investigators can determine that the specific piece created the crime scene impression. This relationship can be used as evidence to prove that the footwear's owner was at the crime scene.
Quizlet was founded in 2005 by Andrew Sutherland as a studying tool to aid in memorization for his French class, which he claimed to have "aced". [6] [7] [8] Quizlet's blog, written mostly by Andrew in the earlier days of the company, claims it had reached 50,000 registered users in 252 days online. [9]
The eText book can be viewed through a traditional computer or a mobile tablet. The eText itself has features such as: highlighting text, adding links, bookmark pages, and pin notes. [ 9 ] The gradebook feature of MyMathLab helps both instructors and students keep track of progress within the course, and shows students which concepts they have ...
Forensic glass analysis is the application and analysis of glass to determine details about a crime. Glass evidence comes in many forms in various types of criminal cases. Glass can be analyzed to understand its origin using comparative analysis which may include measurements relating to physical match, refractive index, density and elemental analysi
Course Hero was founded by Andrew Grauer at Cornell University in 2006 for college students to share lectures, class notes, exams and assignments. [4] In November 2014, the company raised $15 million in Series A Funding, with investors that included GSV Capital and IDG Capital. Seed investors SV Angel and Maveron also participated. [5]
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Characteristic classes are elements of cohomology groups; [1] one can obtain integers from characteristic classes, called characteristic numbers. Some important examples of characteristic numbers are Stiefel–Whitney numbers , Chern numbers , Pontryagin numbers , and the Euler characteristic .