Alfred Nobel’s most famous invention, patented in 1867, revolutionized civil engineering and mining by creating a stable, handleable explosive compound significantly safer than pure nitroglycerin. What was this invention?

💡 Explanation:

Alfred Nobel invented dynamite in 1867. He achieved this by stabilizing highly volatile liquid nitroglycerin within an absorbent material, typically diatomaceous earth (kieselguhr), making it safer to transport and use in construction and mining.