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FIRE Fascination, Firework and Festival | Epic Fireworks Blog

To put things in context, I should mention where the term comes from. Fireworks as such are a specific driven effect that produces flames, smoke and flashes and they are used for aesthetic and entertainment purposes. These early fireworks burnt in petal shapes of white and gold, the natural tints of sulphur, charcoal, potassium and nitrate. But soon they were also using them for explosive displays — celebrating victory or peace.

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In fact, the Italians were the ones who added iron filings to the mix allowing them to spread out in a stream of fire. So how does the firework magic work?

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Well, there are three main components: a shell, an explosive and a fuse. Different metals such as aluminium, iron, steel, zinc or magnesium dust are added to create bright, shimmering sparks because these metals absorb energy from the explosions and emit colour. Different metals create different colours when they ignite — for example, barium goes green, calcium salts go orange, magnesium goes white, copper is blue, lithium turns red and sodium becomes gold. What is it about fireworks that makes them so special?

Actually, not everyone likes them: dogs whimper, cats hide under the bed, birds become so startled they get disoriented and fly into things. But humans? Blink and you will miss it! Drawing light is a bit like drawing time. An intangible, ephemeral entity; quantifying light…. Essential Cookies cannot be disabled, however you can opt-out of your data being stored.

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The ingredients are placed in a small tube called an aerial shell. The explosive materials are called stars that form the colorful spheres, cubes, cylinders, and other shapes that explode into complex designs.

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To get fireworks into the air, the aerial shells are placed in a tube called a mortar. Fireworks staff light a fast-acting fuse below the shell that contains gunpowder and the gunpowder explodes, creating a build-up of heat and gas and a whole lot of pressure. When the pressure reaches critical mass, off it goes up into the sky. How do the components in a cylinder end up looking like a heart, smiley face, or an acronym?

Creagan says they are created in an aerial shell with embedded colored stars laid out in a pattern of the desired shape. The stars with greater mass travel farther than the lighter stars.

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A fireworks show is not just a feast for the eyes but for the ears as well, with those giant booms that follow each burst of light. The specific sounds are determined by a mix of chemical combinations within tubes. As each layer of the firework burns, it releases a gas, creating sound. For example, the hissing and sizzling sparkle sounds are from aluminum or iron flakes, and the big loud booms are generated with titanic powder.

FIRE Fascination, Firework and Festival

Up the boom factor with one of these splurge-worthy Fourth of July destinations. Brilliant, glowing colors come from different metal elements. When the chemicals in fireworks burn, energy is released in the form of light. The chemicals burn in different wavelengths of light depending on the metal element. For example, deep reds are the result of burning strontium and lithium compounds; barium gives off a green color, and copper produces blues. Blue, however, is a fickle hue and considered the most difficult to produce because the copper compound has to be heated just right to give off a brilliant blue color.

New Book out - FIRE Fascination, Firework and Festival

Most U. Find out why we set off fireworks for the Fourth of July every year.