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Dynamite is a solid, high explosive invented by Alfred Nobel, consisting of nitroglycerin absorbed in an inert material such as kieselguhr or wood pulp. Using nitroglycerin itself, it can be handled safely, not exploding without a detonator. In modern dynamite sodium nitrate replaces about half the nitroglycerin. Gelatin dynamite, or gelignite, contains also some nitrocellulose.

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