Friday, August 06, 2004

Dynamite

Blasting explosive, patented in 1867 by the Swedish physicist Alfred Nobel. Dynamite is based on nitroglycerin but is much safer to handle than nitroglycerin alone. By mixing the nitroglycerin with kieselguhr, a porous siliceous earth, in proportions that left an essentially dry and granular material, Nobel produced a solid that was resistant to shock but readily

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