This WEB site will answer some of your questions about explosives and it will give you several links to other explosive related sites. Most of the people who are injured by explosives are injured because of what they do not know , not by what they do know.
Simple fireworks injure more people than high explosives.
Each year, more than 10,000 injuries are caused by the use of fireworks in the United States. Seventy percent of those injuries are in children and young adults between the ages of 5 and 24 years. Half of all injuries are incurred in the week of the Fourth of July. Drag it to the right to see the index. You can right click on any link and then choose to open the page in a new window from the right click menu.