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A folding switchblade. A switchblade (also known as switch knife, automatic knife, pushbutton knife, ejector knife, flick knife, gravity knife, flick blade, or spring knife) is a pocketknife with a sliding or pivoting blade contained in the handle which is extended automatically by a spring when a button, lever, or switch on the handle or bolster is activated.
Demon core. A re-creation of the experiment involved in the 1945 incident. The sphere of plutonium is surrounded by tungsten carbide blocks acting as neutron reflectors. The demon core was a sphere of plutonium that was involved in two fatal radiation accidents when scientists tested it as a fissile core of an early atomic bomb.
Since inaugural 1960 Summer Paralympics. Table tennis (also known as ping-pong or whiff-whaff) is a racket sport derived from tennis but distinguished by its playing surface being atop a stationary table, rather than the court on which players stand. Either individually or in teams of two, players take alternating turns returning a light ...
Floor hockey is a broad term for several indoor floor game codes which involve two teams using a stick and type of ball or disk. Disks are either open or closed but both designs are usually referred to as "pucks". These games are played either on foot or with wheeled skates. Variants typically reflect the style of ice hockey, field hockey ...
Infinity Blade was an action role-playing game developed by Chair Entertainment and Epic Games and released through the Apple App Store on December 9, 2010. It was the first iOS video game to run on the Unreal Engine. In the game, the unnamed player character fights a series of one-on-one battles in a derelict castle to face the immortal God King.
Queen's Blade ( Japanese: クイーンズブレイド, Hepburn: Kuīnzu Bureido) is a Japanese series of visual combat books published by Hobby Japan inspired by the licensed works from Firelight Game Company's Lost Worlds. The overall plot of the game revolves around a tournament called the Queen's Blade, which is held once every four years to ...
Two-handed swept, with circular or squared guard. Scabbard / sheath. Lacquered wood, some are covered with fish skin, decorated with brass and copper. [2] [3] A katana (刀, かたな) is a Japanese sword characterized by a curved, single-edged blade with a circular or squared guard and long grip to accommodate two hands.
Rockwell scale. The Rockwell scale is a hardness scale based on indentation hardness of a material. The Rockwell test measures the depth of penetration of an indenter under a large load (major load) compared to the penetration made by a preload (minor load). [1] There are different scales, denoted by a single letter, that use different loads or ...