dynamite

Swedish inventor and businessman Alfred Nobel never married, researched dynamite that killed his brother, and devoted all his fortune to the Nobel Prize.

Dynamite is one of the important inventions of the 19th century and it brings both positive and negative effects to the world. But to this day, the knowledge of dynamite is still

There are many inventions that are the result of a long-term search and research process, but there are also inventions due to some unintentional inadvertence. Many of them have