What does dynamite do and what problem did it solve?

Dynamite is an explosive material that was invented by Alfred Nobel in 1867, primarily used for blasting rock and other hard materials in construction, mining, and demolition. It provided a safer and more manageable alternative to earlier explosives, such as nitroglycerin, which were highly volatile and difficult to handle. By enabling more efficient excavation and tunneling, dynamite revolutionized infrastructure projects and facilitated the expansion of railroads, roads, and mines, significantly boosting industrial development.