Balloons Live Wallpaper
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+ By LiveWallpapers
- Perfect live wallpaper for Android!
- Interactive background - Tap anywhere on the screen and new balloons will appear!
- Full support for landscape mode and home-screen switching!
Enjoy this lovely, free and useful live wallpaper!
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A balloon is an inflatable flexible bag filled with a gas, such as helium, hydrogen, nitrous oxide, oxygen, or air. Modern balloons can be made from materials such as rubber, latex, polychloroprene, or a nylon fabric, while some early balloons were made of dried animal bladders, such as the pig bladder. Some balloons are used for decorative purposes, while others are used for practical purposes such as meteorology, medical treatment, military defense, or transportation. A balloon's properties, including its low density and low cost, have led to a wide range of applications. The inventor of the rubber balloon, (the most common balloon) was Michael Faraday in 1824, via experiments with various gases.
Party balloons are mostly made of a natural latex tapped from rubber trees, and can be filled with air, helium, water, or any other suitable liquid or gas. The rubber's elasticity makes the volume adjustable.
Filling the balloon with air can be done with the mouth, a manual or electric inflater (such as a hand pump), or with a source of compressed gas.
When rubber or plastic balloons are filled with helium so that they float, they typically retain their buoyancy for only a day or so, sometimes longer. The enclosed helium atoms escape through small pores in the latex which are larger than the helium atoms. Balloons filled with air usually hold their size and shape much longer, sometimes for up to a week.
Even a perfect rubber balloon eventually loses gas to the outside. The process by which a substance or solute migrates from a region of high concentration, through a barrier or membrane, to a region of lower concentration is called diffusion. The inside of balloons can be treated with a special gel (for instance, the polymer solution sold under the "Hi Float" brand) which coats the inside of the balloon to reduce the helium leakage, thus increasing float time to a week or longer.
Most toy balloons are a simple oval-like shape. But balloon suppliers also offers other shapes for toy balloons. Some examples of other shapes are: "zeppelins" or "airships," where balloons are usually longer than wide; "espirals" or "rattlesnakes," similar to zeppelins, but much longer (not to be confused with balloons for twisting); "hearts," balloons with the shape of a heart; "dolls," two round shapes joined that represent a head and a body; "mouse heads," composed of three round parts, one for the head and two for the ears; "bunny heads," similar to mouse heads but with long ears; "bunny balloons," which resemble a stuffed toy bunny, having a big long shape for the body, a smaller shape for the head, and two long shapes for the ears; "elephants," with two shapes for the body and the head, and a very long shape for the trunk; and "ducks," with a big shape for the body, a smaller round shape for the head and smaller shape for the beak. There are many other possible shapes, depending on the manufacturers.
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