Fireworks

Every year, the United States celebrates many festivals with fireworks. One of the most popular choices is a Roman candle. If you want to try this at home, a regular fireworks store has all the supplies you need. When you ignite your handmade fireworks at home, think about "oohhs" and "ahhhhs". First of all, you need a strong and good tube. The tube should be cylindrical and have a thickness of at least 3/32 inch. The opening at the top of the tube must have a 5/8-inch opening.

Today, fireworks are celebrated all over the world. Fireworks changed dramatically from ancient China to the new world. Fireworks' first batch - gunpowder firecracker - comes from a simplified origin, there is nothing more than pop music, but the modern version can produce shapes, multiple colors and various sounds. It is important to understand how they work before jumping into the history of fireworks. Each modern fireworks includes an air shell. This is a tube containing gunpowder and dozens of small pods. Each pod is called a "star". According to the American Chemical Society (ACA), the diameter of these stars is approximately 1 - 1.5 inches (3 - 4 cm) and meets the following conditions.

Fireworks began in China in the 6th century. The Chinese used the original gunpowder to complete the art of making rockets and explosives. It is thought that Mongolians injected gunpowder (Encarta) in Europe in the year 1241, but Europe has advanced fireworks and firecrackers earlier than China. These fireworks were made by experienced military workers who called them firefighters, and also made cannonballs of explosives and cannon lead. By the middle of the 17th century, fireworks were widely used in recreational activities in European resorts and public gardens. In the mid-nineteenth century, the use of fireworks spread to the United States. (A & E video)