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The overall length (OAL) of an ammunition cartridge is a measurement from the base of the brass shell casing to the tip of the bullet, seated into the brass casing. Cartridge overall length , or " COL ", is important to safe functioning of reloads in firearms.
Components of a modern bottleneck rifle cartridge. Top-to-bottom: Copper-jacketed bullet, smokeless powder granules, rimless brass case, Boxer primer.. Handloading, or reloading, is the practice of making firearm cartridges by manually assembling the individual components (metallic/polymer case, primer, propellant and projectile), rather than purchasing mass-assembled, factory-loaded ...
The list includes technologies that were first posited in non-fiction works before their appearance in science fiction and subsequent invention, such as ion thruster. To avoid repetitions, the list excludes film adaptations of prior literature containing the same predictions, such as " The Minority Report ".
Military science fiction is a subgenre of science fiction and military fiction that depicts the use of science fiction technology, including spaceships and weapons, for military purposes and usually principal characters who are members of a military organization, usually during a war; occurring sometimes in outer space or on a different planet or planets.
The study of science fiction, or science fiction studies, is the critical assessment, interpretation, and discussion of science fiction literature, film, new media, fandom, and fan fiction. Science fiction scholars take science fiction as an object of study in order to better understand it and its relationship to science, technology, politics ...
Multivac is a fictional supercomputer appearing in over a dozen science fiction stories by American writer Isaac Asimov.Asimov's depiction of Multivac, a mainframe computer accessible by terminal, originally by specialists using machine code and later by any user, and used for directing the global economy and humanity's development, has been seen as the defining conceptualization of the genre ...
In the 1950s, Grennell also began a lifetime of activity in science fiction fandom. His best-known publication was his fanzine Grue, begun in 1953. The title Grue ("The Fan's Magazine") was a play on words for the then-popular men's magazine True, "The Man's Magazine". [6] In fanzines, Grennell was sometimes called dag, in reference to his ...
The Nazi regime collapses and the new government surrenders. Karst commits suicide by exposing herself to the dust. Manning warns the Cabinet of the great dangers of the new situation, introducing the concepts of the nuclear arms race, mutual assured destruction, and second strike capability. He convinces the President and Cabinet that the only ...