Accuracy in the context of "Hollow-point bullet"

Copying is the duplication of information or an artifact based on an instance of that information or artifact, and not using the process that originally generated it. With analog forms of information, copying is only possible to a limited degree of accuracy, which depends on the quality of the equipment used and the skill of the operator. There is some inevitable generation loss, deterioration and accumulation of "noise" (random small changes) from original to copy when copies are made. This deterioration accumulates with each generation. With digital forms of information, copying is perfect. Copy and paste is frequently used by a computer user when they select and copy an area of text or content.

Journalistic ethics and standards comprise principles of ethics and good practice applicable to journalists. This subset of media ethics is known as journalism's professional "code of ethics" and the "canons of journalism". The basic codes and canons commonly appear in statements by professional journalism associations and individual print, broadcast, and online news organizations.

There are around 400 codes covering journalistic work around the world. While various codes may differ in the detail of their content and come from different cultural traditions, most share common elements that reflect values including the principles of truthfulness, accuracy and fact-based communications, independence, objectivity, impartiality, fairness, respect for others and public accountability, as these apply to the gathering, editing and dissemination of newsworthy information to the public. Some such principles are sometimes in tension with non-Western and Indigenous ways of doing journalism.

Analog devices are a combination of both analog machine and analog media that can together measure, record, reproduce, receive or broadcast continuous information, for example, the almost infinite number of grades of transparency, voltage, resistance, rotation, or pressure. In theory, the continuous information in an analog signal has an infinite number of possible values with the only limitation on resolution being the accuracy of the analog device.

Analog media are materials with analog properties, such as photographic film, which are used in analog devices, such as cameras.

Direct fire or line-of-sight fire refers to shooting of a ranged weapon whose projectile/ordnance is launched directly at a target within the line-of-sight of the user. Direct fire weapons typically have a sighting device to ensure accuracy and must have an unobstructed view to the target with no obstacles or friendly units in between, meaning that they can only effectively engage targets that are in enfilade. Conversely, direct fire units are also directly exposed to return fire from the target unless they are shooting from a position of defilade or concealment.

Direct fire is in contrast to indirect fire, which refers to firing a projectile on a curved ballistic trajectory or delivering self-accelerated munitions capable of long range and various degrees of homing abilities to alter the flight path. Indirect fire does not need a direct line-of-sight to the target because the shots are normally directed by a forward observer who provides the coordinates and calibrations needed to hit the target. As such, indirect-fire weapons can shoot over obstacles or friendly units and the weapons can be concealed from counter-battery fire.

A grinding machine, often shortened to grinder, is any of various power tools or machine tools used for grinding. It is a type of material removal using an abrasive wheel as the cutting tool. Each grain of the abrasive on the wheel's surface cuts a small chip from the workpiece via shear deformation.

Grinding as a type of machining is used to finish workpieces that must show high surface quality (e.g., low surface roughness) and high accuracy of shape and dimension. As the accuracy in dimensions in grinding is of the order of 0.000025  mm, in most applications, it tends to be a finishing operation and removes comparatively little metal, about 0.25 to 0.50  mm depth. However, there are some roughing applications in which grinding removes high volumes of metal quite rapidly. Thus, grinding is a diverse field.

The Minié ball, or Minie ball, is a type of hollow-based bullet designed by Claude-Étienne Minié for muzzle-loaded, rifled muskets. Invented in 1846 shortly followed by the Minié rifle, the Minié ball came to prominence during the Crimean War and the American Civil War where it was found to inflict significantly more serious wounds than earlier round musket balls. Both the American Springfield Model 1861 and the British Pattern 1853 Enfield rifled muskets, the most common weapons found during the American Civil War, used the Minié ball.

Rifling, the addition of spiral grooves inside a gun barrel, imparts a stabilizing spin to a projectile for better external ballistics, greatly increasing the effective range and accuracy of the gun. Before the introduction of the Minié ball, which themselves needed greasing, balls had to be rammed down the barrel, sometimes with a mallet, because gunpowder residue would foul a rifled bore after a relatively small number of shots, requiring frequent cleaning of the gun. The development of the Minié ball was significant because it was the first projectile type that could be made with a loose enough fit to easily slide down the barrel of a rifled long gun, yet maintain good accuracy during firing due to obturation by expansion of the bullet's base when fired.