fireworks

Physics of Fireworks. Have you ever wondered where those magnificent flashes in the sky came from? How are those huge booms of light working? What makes them change colors? What gives them all their shapes? Be prepared to have your mind completely blown; from monks warding off ancient sprits, to Caption John Smith having a party, to Queen Elizabeth's 'Fire masters'. Fireworks have been the biggest, loudest, most well-known symbol of freedom and light for centuries. From the huge Willows that pour down over you, not to mention the flying Peony above your head, causing supersonic sounds and giant flashes of light, to the tiny Crossett barely there, yet still lighting up the night sky. This is an opportunity to find out all there is to known about the physics of fireworks. The very first explosives to ever appear were in china. The Tang Dynasty, which was between 618 and 907, was the era lots of world known things came to place. Li Tian from the Liuyang tribe in the Hunan Providence was one of the very first recorded people to use a firework. Legend has it he warded off an evil spirit. Li Tian was going into a cave, with nothing to protect him from the spirits that supposedly haunted that exact cave. He rounded a corner and became face-to-face with an evil dragon spirit. He turned to run, but it was trying to take his soul, and feed it to the dark depths of the underworld. Not knowing what else to do, he ripped a piece of bamboo out of the ground and lit it on fire. The reaction was not expected, it was a large explosion from the small piece of bamboo. The small explosion scared the soul-sucking spirit away. Li Tian ran back to his village, screaming about what happened, claiming he warded off a spirit single-handedly. No one believed him, until they went into the cave itself. There were no more evil spirits in the cave, they had all disappeared. That one start of a firework had scared them all away. However, the story of a cook, which