When was dynamite invented?


Quick Answer

Dynamite was invented in 1866 by Swedish construction engineer Alfred Nobel as a more manageable method of blasting rock. He patented his invention in England and Sweden the following year.

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Full Answer

Nobel invented dynamite as a means to stabilize nitroglycerin. He combined it with absorbent materials such as diatomaceous earth, sawdust, powdered shells, clay and wood pulp to reduce the physical shock sensitivity of pure nitroglycerin. The absorbed explosive was rolled into a tube with paper, sealed and topped with a blasting cap that could be triggered with a detonator.

The disadvantage of dynamite is that, over time, it sweats out the nitroglycerin, creating a hazard for storage or transportation. Modern wax-coated packaging attempts to mitigate this.

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