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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 ...
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. It was manufactured by the Manhattan Project, the U.S. nuclear weapon development effort during World War II.
Paris Saint-Germain. Paris Saint-Germain Football Club ( French pronunciation: [paʁi sɛ̃ ʒɛʁmɛ̃] ), commonly referred to as Paris Saint-Germain or simply PSG, is a professional football club based in Paris, France. They compete in Ligue 1, the top division of French football. As France's most successful club, they have won 50 official ...
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 ...
gillette .com. Gillette is an American brand of safety razors and other personal care products including shaving supplies, owned by the multi-national corporation Procter & Gamble (P&G). Based in Boston, Massachusetts, United States, it was owned by The Gillette Company, a supplier of products under various brands until that company merged into ...
All styles and codes are played on dry, flat floor surfaces such as a gymnasium or basketball court. As in other hockey codes, players on each team attempt to shoot a ball, disk or puck into a goal using sticks, some with a curved end and others a straight, bladeless stick.
List of blade materials. A variety of blade materials can be used to make the blade of a knife or other simple edged hand tool or weapon, such as a sickle, hatchet, or sword. The most common blade materials are carbon steel, stainless steel, tool steel, and alloy steel.
1 ⁄ 8 in (3.18 mm) ball: Bearing alloy, tin, hard plastic materials: 130: 500 L: HRL: 60: 1 ⁄ 4 in (6.35 mm) ball: Bearing metals and other very soft or thin materials. 130: 500 M: HRM: 100: 1 ⁄ 4 in (6.35 mm) ball: Thermoplastics, bearing metals and other very soft or thin materials: 130: 500 P: HRP: 150: 1 ⁄ 4 in (6.35 mm) ball
The typical test uses a 10 mm (0.39 in) diameter steel ball as an indenter with a 3,000 kgf (29.42 kN; 6,614 lbf) force. For softer materials, a smaller force is used; for harder materials, a tungsten carbide ball is substituted for the steel ball. The indentation is measured and hardness calculated as:
Blade. (upcoming video game) Marvel's Blade is an upcoming action-adventure game developed by Arkane Lyon and published by Bethesda Softworks. Based on the Marvel Comics character Blade, it will feature an original narrative that draws from the character's comic book mythology, while additionally deriving from various appearances in other media.