Boom! Dynamite can blast away mountainsides and bring down buildings. This powerful explosive was discovered over 150 years ago, but it wasn't always safe to use. That's because dynamite contains nitroglycerin, a very dangerous explosive. In the late 1860s, Swedish chemist Alfred Nobel accidentally invented dynamite while he was working on a way to make nitroglycerin safer to handle. This book takes an in-depth look at the science behind dynamite, as well as its role in the past, present, and future of demolition. Readers will have a blast learning about this explosive discovery.