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Explosive

TLDR: Explosives are substances that contain a lot of energy and can cause an explosion when released suddenly. They can be made of different materials like chemicals, gases, or even nuclear energy. Explosives can be categorized based on how fast they expand and how sensitive they are to heat or pressure. They have many applications, including mining and military use. Explosives have different properties like sensitivity, stability, and power. They can be toxic and have different chemical compositions.

Explosives are substances that contain a lot of energy and can produce an explosion when released suddenly. When an explosion happens, it usually comes with light, heat, sound, and pressure. Explosives can be made of different materials like chemicals, gases, or even nuclear energy. They can be categorized based on how fast they expand. Some explosives detonate very quickly, while others deflagrate, which means they burn more slowly. They can also be categorized based on their sensitivity to heat or pressure. Some explosives are very sensitive and can be set off by a small amount of heat or pressure, while others are less sensitive.

There are many different chemicals that can explode, but only a few are manufactured specifically for use as explosives. The rest are either too dangerous, toxic, or unstable to be used as explosives. Some materials are combustible or flammable, which means they can burn without exploding. However, under certain conditions, these materials can become explosive, like when they are in the form of dispersed airborne clouds or when they are confined or released suddenly.

The history of explosives goes back a long time. The first form of chemical explosive was gunpowder, which was invented by Chinese alchemists in the 9th century. Gunpowder was made from coal, saltpeter, and sulfur, and it was used in warfare for the first time in 1161. Since then, many different types of explosives have been developed, including nitroglycerin, dynamite, and TNT. World War I and World War II saw extensive use of explosives, and today, more powerful explosives like C-4 and PETN are used.

Explosives have many applications. The largest commercial use of explosives is in mining, where they are used to break apart rocks and extract minerals. Explosives are also used in materials science and engineering, where they can be used to bond different materials together. In the military, explosives are used as weapons, and in civilian life, they are used in activities like fireworks and pyrotechnics.

When it comes to safety, explosives can be dangerous if not handled properly. They can be sensitive to heat, friction, or electrical discharge, and they can become unstable over time. Some explosives are toxic, and their decomposition products can be harmful. There are also different properties of explosives that need to be considered, like sensitivity, velocity of detonation, stability, and power. The oxygen balance of an explosive is also important, as it determines how easily it can be oxidized.

In summary, explosives are substances that contain a lot of energy and can cause an explosion when released suddenly. They can be made of different materials and have different properties. They have many applications, including mining and military use. Explosives can be dangerous if not handled properly, and they can be toxic. It's important to understand their properties and use them safely.

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Note: This content was algorithmically generated using an AI/LLM trained-on and with access to Wikipedia as a knowledge source. Wikipedia content may be subject to the CC BY-SA license.