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pyrotechnic mixture grain

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  • Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …   Wikipedia

  • weather modification — Deliberate or inadvertent alteration of atmospheric conditions by human activity, sufficient to modify the weather on a local or regional scale. Deliberate alterations include covering plants to keep them warm at night, seeding clouds to induce… …   Universalium

  • Explosive material — A number of 1.25lb M112 Demolition Charges, consisting of a C 4 compound, sit atop degraded weaponry scheduled for destruction An explosive material, also called an explosive, is a reactive substance that contains a great amount of potential… …   Wikipedia

  • Gunpowder — For other meanings, see gunpowder (disambiguation). Black powder for muzzleloading rifles and pistols in FFFG granulation size. Coin (diameter 24 mm) for comparison. Gunpowder, also known since in the late 19th century as black powder, was the… …   Wikipedia

  • Nano-thermite — A Nano thermite or super thermite [1] is a metastable intermolecular composite (MICs) characterized by its highly exothermic reaction after ignition. Nano thermites contain an oxidizer and a reducing agent, which are intimately mixed on the… …   Wikipedia

  • military technology — Introduction       range of weapons, equipment, structures, and vehicles used specifically for the purpose of fighting. It includes the knowledge required to construct such technology, to employ it in combat, and to repair and replenish it.… …   Universalium

  • Tracer ammunition — thumb|right|200px|Tracers from M16 rifles on U.S. Army firing rangeTracer ammunition (tracers) are special bullets that are modified to accept a small pyrotechnic charge in their base. Ignited upon firing, the composition burns very brightly,… …   Wikipedia

  • Delay composition — Delay composition, also called delay charge or delay train, is a pyrotechnic composition, a sort of pyrotechnic initiator, a mixture of oxidizer and fuel that burns in a slow, constant rate that should not be significantly dependent on… …   Wikipedia

  • chemical industry — Introduction       complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives.       Although the chemical industry may be described simply as the industry that uses chemistry and… …   Universalium

  • United States 40 mm grenades — The United States Army has created a plethora of different types of 40 mm grenades in both the low velocity 40x46 mm and high velocity 40x53 mm calibers. Presented on this page is a basic overview.High Explosive Cartridgestandard High Explosive… …   Wikipedia

  • motion-picture technology — Introduction       the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …   Universalium

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