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Lycopodium powder is a yellow-tan dust-like powder historically used as a flash powder. [1] Today, the principal use of the powder is to create flashes or flames that are large and impressive but relatively easy to manage safely in magic acts and for cinema and theatrical special effects .
Contrary to urban legend, an M-80 that contains 3,000 mg of powder is not equivalent to a quarter-stick of dynamite. Dynamite generally contains a stable nitroglycerin-based high explosive, whereas M-80s or any other kind of firecracker contain a low explosive powder, like flash powder or black powder. [10]
The United States Gunpowder Trade Association (also known as the powder trust or the gunpowder trust) was a trade association of major American powder manufacturers which coordinated pricing for powder from 1872 to 1912. [1] [2] The cartel was dissolved through a Supreme Court ruling in 1912, which found it guilty of violating the Sherman ...
The explosion occurred at 9:40 AM CDT, while two workers were unloading a container of highly explosive flash powder. The mixture of potassium chloride and powdered aluminum was being illegally transported in a metal container in the rear of a pickup.
Vintage AHA smokeless flash powder lamp kit, Germany. An alternative to magnesium ribbon was flash powder, a mixture of magnesium powder and potassium chlorate, was introduced by its German inventors Adolf Miethe and Johannes Gaedicke in 1887. A measured amount was put into a pan or trough and ignited by hand, producing a brief brilliant flash ...
A typical cherry bomb contains a core of explosive composition (e.g., flash powder or, less commonly, black powder) which is generally encapsulated inside two nested paper cups, typically of the type used to plug the ends of an M-80, which is in turn most commonly surrounded by a layer (approx. one-quarter inch thick) of sawdust infused with a ...
Finnish smokeless powder. Smokeless powder is a type of propellant used in firearms and artillery that produces less smoke and less fouling when fired compared to black powder. Because of their similar use, both the original black powder formulation and the smokeless propellant which replaced it are commonly described as gunpowder.
When Dresden was bombarded in the Second World War, the company was destroyed. It was rebuilt in Monheim in 1945. [3] In 1958, the first synchronized flash powder device was presented, in 1972 the world's first automatic film splicer. Three years later, the "Hamafix" slide mounting system came onto the market.