Useful explosives in construction
The most useful types of explosives are safe to handle as long as they are handled properly. For instance, Nitroglycerin was the first type of dynamite and it was very unstable. This made it hard to be safely used, miners would have to carry this stuff over rough roads with no type of cushion or shocks [...]
The trick with explosives
The trick involved with explosives is how to make them safe and useful. As you probably already know there are explosives of varying sizes in use all around us if you know where to look. The most useful and common type of explosions that are within a foot or less of every day is right [...]