Dynamite

Dynamite is an explosive material that was invented by Alfred Nobel in 1867. It is composed of an absorbent substance soaked in nitroglycerin, and is typically wrapped in paper or plastic and equipped with a blasting cap.

History

Dynamite was invented by Swedish chemist and engineer Alfred Nobel, who was seeking a safer alternative to the unstable and dangerous nitroglycerin. Nobel discovered that when nitroglycerin was absorbed into a certain type of clay called kieselguhr, it became much safer to handle and to transport, while still retaining its powerful explosive properties. He patented his invention in 1867.

Composition

The main explosive ingredient in dynamite is nitroglycerin, a highly sensitive and volatile liquid. The nitroglycerin is absorbed into a stabilizing agent, which was originally kieselguhr but has since been replaced by other substances such as sawdust or diatomaceous earth. The mixture is then formed into sticks and wrapped in paper or plastic.

Uses

Dynamite has been used extensively in construction, mining, and demolition. It is particularly useful for breaking up hard rock in mining operations, and for creating controlled explosions in construction and demolition projects.

Safety

Despite the improvements made by Nobel, dynamite is still a dangerous substance. It can be detonated by shock, friction, or heat, and must be handled with care. Modern safety regulations require that dynamite be stored in specially designed magazines to prevent accidental detonation.

See also

• Explosive material
• Nitroglycerin
• Alfred Nobel
• Blasting cap

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  Inserting dynamite into a hole
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  Diagram of dynamite
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  Nobel's Extradynamit label
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  Women mixing dynamite at Nobel’s Ardeer Factory in 1897
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  Aetna dynamite