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Grandfather paradox — The grandfather paradox is a proposed paradox of time travel, first described by the science fiction writer René Barjavel in his 1943 book Le Voyageur Imprudent ( The Imprudent Traveller ).cite book | first = René | last = Barjavel | authorlink … Wikipedia
A Gun for Dinosaur — Infobox short story | name = A Gun for Dinosaur title orig = translator = author = L. Sprague de Camp country = United States language = English series = Reginald Rivers genre = Science fiction short story published in = Galaxy Science Fiction… … Wikipedia
Canon rayé — Le rainurage désigne le processus de fabrication de rainures hélicoïdales par l alésage du canon d une arme à feu. Ces rayures font tourner le projectile sur lui même autour de son axe longitudinal, cette rotation permettant la stabilisation… … Wikipédia en Français
Holland & Holland — is a prestigious British gun maker based in London, England of hand made sporting rifles and double barreled shotguns, holding two Royal Warrants. HistoryThe firm was founded by Harris Holland (1806 96) in the year 1835. He may have had a… … Wikipedia
Smoothbore — refers to a firearm or cannon which does not have a rifled barrel. History of firearms and riflingEarly firearms had smooth barrels, and fired projectiles with no significant spin. These projectiles had to be stable shapes, such as finned arrows… … Wikipedia
Rifling — refers to the helix shaped pattern in the barrel of a firearm, which imparts a spin to a projectile around its long axis. This spin serves to gyroscopically stabilize the projectile, improving its aerodynamic stability and accuracy.Rifling is… … Wikipedia
George Fosbery — George Vincent Fosbery VC (1833 8 May 1907) was an English recipient of the Victoria Cross, the highest and most prestigious award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces.DetailsHe was about… … Wikipedia
Predestination paradoxes in fiction — Many fictional and mythological works have dealt with various circumstances that can logically arise from time travel, usually dealing with paradoxes. The predestination paradox is a common literary device.Mythology/Self Fulfilling ProphecyWhile… … Wikipedia
List of Doctor Who items — This is a list of items from the BBC television series Doctor Who. Contents: Top · 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0–9 … Wikipedia
Shotgun — For other uses, see Shotgun (disambiguation). A pump action Remington 870, two semi automatic … Wikipedia
