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:''This article is about balloons in general. See also Balloon (aircraft) and Toy balloon.''
A 'balloon' is a flexible bag normally filled with a gas, such as helium, hydrogen, nitrous oxide or air. Early balloons were made of dried animal bladders. Modern balloons can be made from materials such as rubber, latex, polychloroprene or a nylon fabric. Some balloons are purely decorative, while others are used for specific purposes such as meteorology, medical treatment, military defense, or transportation. A balloon's properties, including its low density and relatively low cost, have led to a wide range of applications.
The word balloon was originally derived from the French word ''ballon'', meaning large ball. This was in turn probably from the latin ''ballone'', but another possible source for it was ''balla'', meaning ball, from Old High German.[1] Other related words include the Middle English ''bal'', which was probably from the Old English ''beall'', both meaning ball.[2]
The first ballon was invented by Brazilian priest Bartolomeu de Gusmão, and the first public exhibition was to the Portuguese Court on August 8, 1709, in the hall of the Casa da India in Lisbon. The rubber balloon was invented by Michael Faraday in 1824; it was inflated with hydrogen and used in his experiments with that element.[3]. The more familiar latex balloons of today were first manufactured in London, 1847, by J.G. Ingram,[4] but mass production did not occur until the 1930s.
'Party balloons' are mostly made of 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. Most of this rubber is made from recycled material, such as old tires and tennis shoes.
Filling the balloon with air is done with the mouth, with a manual or electric inflater (such as a hand pump), or with a source of compressed gas.
When rubber balloons are filled with helium so that they float, they typically retain their buoyancy for only a day or so. 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.
Even a perfect rubber balloon eventually loses the 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.
Beginning in the late 1970s, some more expensive (and longer-lasting) foil balloons have been made of thin, unstretchable, less permeable metalized plastic films. These balloons have attractive shiny reflective surfaces and are often printed with color pictures and patterns for gifts and parties. The most important attribute of metalized nylon for balloons is its light weight, increasing buoyancy and its ability to keep the helium gas from escaping for several weeks. However, there has been some environmental concern, since the metalized nylon does not biodegrade or shred as a rubber balloon does, and a helium balloon released into the atmosphere can travel a long way before finally bursting or deflating. Release of these types of balloons into the atmosphere is considered harmful to the environment. This type of balloon can also conduct electricity on its surface and released foil balloons can become entangled in power lines and cause power outages.
Released balloons can land almost anywhere, including on nature preserves or other areas where they pose a serious hazard to animals through ingestion or entanglement. Latex balloons are especially dangerous to sea creatures because latex retains its elasticity for 12 months or more when exposed to sea water rather than air.[5] Because of the harm to wildlife and the effect of litter on the environment, some jurisdictions even legislate to control mass balloon releases. Legislation proposed in Maryland, USA was named after Inky, a pygmy sperm whale who needed 6 operations after swallowing debris, the largest piece of which was a mylar balloon.[6][7]
Professional balloon party decorators use electronic equipment to enable the exact amount of helium to fill the balloon. For non-floating balloons air inflators are used. Professional quality balloons are used, which differ from most retail packet balloons by being larger in size and made from 100% biodegradable latex.
Balloon artists are entertainers who twist and tie inflated tubular balloons into sculptures (see balloon animal). The balloons used for balloon sculpture are made of extra-stretchy rubber so that they can be twisted and tied without bursting. Since the pressure required to inflate a balloon is inversely proportional to the diameter of the balloon, these tiny tubular balloons are extremely hard to inflate initially. A pump is usually used to inflate these balloons.
Decorators may use hundreds of helium balloons to create balloon sculptures. Usually the round shape of the balloon restricts these to simple arches or walls, but on occasion more ambitious "sculptures" have been attempted. It is also common to use balloons as tables decorations for celebratory events. Table decorations normally appear with 3 or 5 balloons on each bouquet. Ribbon is curled and added with a weight to keep the balloons from floating away.
'Water balloons' are thin, small rubber balloons intended to be easily broken. They are usually used by children, who throw them at each other, trying to get each other wet, as a game or practical joke.
Balloons are often deliberately released, creating so called 'rocket balloons'. Rocket balloons work because the elastic balloons contract on the air within them, and so when the mouth of the balloon is left open, the gas within the balloon shoots out, and, due to , the balloon is propelled forward. This is fundamentally the same way that a rocket works.[8] Rocket balloons can be made by simply releasing standard toy balloons, or by modifying a standard toy balloon,[9]. Specially designed balloons can also be purchased, marketed as alternatives to fireworks.[10]
Main articles: Balloon (aircraft)
Large balloons filled with hot air or buoyant gas have been used as flying machines since the 18th century. The earliest flights were made with hot air balloons using air heated with a flame, or hydrogen; later, helium was used.
Angioplasty is a surgical procedure in which very small balloons are inserted into blocked or partially blocked blood vessels near the heart. Once in place, the balloon is inflated to clear or compress arterial plaque, and to stretch the walls of the vessel, thus preventing myocardial infarction. A small stent can be inserted at the angioplasty site to keep the vessel open after the balloon's removal.[11]
Balloon catheters are catheters that have balloons at their tip to keep them from slipping out. For example, the balloon of a Foley catheter is inflated when the catheter is inserted into the urinary bladder and secures its position.[12]
Balloons are often used as plot devices in films, due to the fact that they can be blown away, meaning that the characters can give chase, or they can be caught in the wind, catching the attention of the characters.[13] One such example of this is in ''The Day the Balloon Went Up'', an episode of ''Dad's Army'', in which the characters had to chase a stray barrage balloon.[14] The phrase ''when the balloon goes up'', as used in the title, is a slang term for when events become critical.[15] Hot air balloons have also featured predominantly in several films, such as ''The Wizard of Oz'', ''Around the World in Eighty Days'' and ''Five Weeks in a Balloon''.
Balloons have also been used in literature to express emotions. The popping of a balloon can symbolize death as in 'Why the Whales came' and they have often been used to express freedom.
This view is reflective of the famous quote, by American novelist and film maker Harry Krishna: 'freedom is only a balloon ride away'
★ Aerobot
★ Atlas (rocket)
★ Balloon-carried light effect
★ Balloon mail
★ Balloon animal
★ Balloon modelling
★ Balloon rocket
★ Captive balloon
★ Cluster ballooning
★ Gas balloon
★ Helium
★ Hot air balloon
★ Hopper balloon
★ List of balloon uses
★ Radiosonde
★ Rockoon
★ Speech balloon
★ Weather balloon
1. Definition of balloon
2. Definition of ball
3. Robertson, Patrick. ''The Book of Firsts'', Bramhall House, NY, 1978.
4. Balloon History
5.
6. MARP Sponsors Inky Legislation
7. Legislation regulating the release of balloons
8. Scientific Explanation: Why the Rocket Balloon Works
9. Collect your materials for the rocket balloon
10. Rocket Balloon Fun Set
11. Angioplasty
12. History of the Catheter - Balloon Catheter - Thomas Fogarty
13. Famous Balloon Movies
14. Dad's Army: The Day the Balloon Went Up
15. The Penguin Dictionary of English Idioms, , Daphne M., Gulland, Penguin Books, 1994,
★ Stratospheric balloons, history and present Historical recopilation project on the use of stratospheric balloons in the scientific research, the military field and the aerospace activity
★ National trade association for the UK balloon industry
★ National trade association for the Australasian balloon industry
★ Royal Engineers Museum Royal Engineers and Aeronautics
★ Royal Engineers Museum Early British Military Ballooning (1863)
Balloons, like greeting cards or flowers, are given for special occasions.
A 'balloon' is a flexible bag normally filled with a gas, such as helium, hydrogen, nitrous oxide or air. Early balloons were made of dried animal bladders. Modern balloons can be made from materials such as rubber, latex, polychloroprene or a nylon fabric. Some balloons are purely decorative, while others are used for specific purposes such as meteorology, medical treatment, military defense, or transportation. A balloon's properties, including its low density and relatively low cost, have led to a wide range of applications.
| Contents |
| Etymology |
| History |
| Applications |
| Decoration or entertainment |
| Balloon modeling and balloons in art |
| Water balloons |
| Rocket balloons |
| Flying machines |
| Medicine |
| In film |
| See also |
| Notes |
| External links |
Etymology
The word balloon was originally derived from the French word ''ballon'', meaning large ball. This was in turn probably from the latin ''ballone'', but another possible source for it was ''balla'', meaning ball, from Old High German.[1] Other related words include the Middle English ''bal'', which was probably from the Old English ''beall'', both meaning ball.[2]
History
The first ballon was invented by Brazilian priest Bartolomeu de Gusmão, and the first public exhibition was to the Portuguese Court on August 8, 1709, in the hall of the Casa da India in Lisbon. The rubber balloon was invented by Michael Faraday in 1824; it was inflated with hydrogen and used in his experiments with that element.[3]. The more familiar latex balloons of today were first manufactured in London, 1847, by J.G. Ingram,[4] but mass production did not occur until the 1930s.
Applications
Decoration or entertainment
Decorative arches made of party balloons.
'Party balloons' are mostly made of 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. Most of this rubber is made from recycled material, such as old tires and tennis shoes.
Filling the balloon with air is done with the mouth, with a manual or electric inflater (such as a hand pump), or with a source of compressed gas.
When rubber balloons are filled with helium so that they float, they typically retain their buoyancy for only a day or so. 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.
Even a perfect rubber balloon eventually loses the 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.
Metalized nylon animal-shaped balloons
Beginning in the late 1970s, some more expensive (and longer-lasting) foil balloons have been made of thin, unstretchable, less permeable metalized plastic films. These balloons have attractive shiny reflective surfaces and are often printed with color pictures and patterns for gifts and parties. The most important attribute of metalized nylon for balloons is its light weight, increasing buoyancy and its ability to keep the helium gas from escaping for several weeks. However, there has been some environmental concern, since the metalized nylon does not biodegrade or shred as a rubber balloon does, and a helium balloon released into the atmosphere can travel a long way before finally bursting or deflating. Release of these types of balloons into the atmosphere is considered harmful to the environment. This type of balloon can also conduct electricity on its surface and released foil balloons can become entangled in power lines and cause power outages.
Released balloons can land almost anywhere, including on nature preserves or other areas where they pose a serious hazard to animals through ingestion or entanglement. Latex balloons are especially dangerous to sea creatures because latex retains its elasticity for 12 months or more when exposed to sea water rather than air.[5] Because of the harm to wildlife and the effect of litter on the environment, some jurisdictions even legislate to control mass balloon releases. Legislation proposed in Maryland, USA was named after Inky, a pygmy sperm whale who needed 6 operations after swallowing debris, the largest piece of which was a mylar balloon.[6][7]
Professional balloon party decorators use electronic equipment to enable the exact amount of helium to fill the balloon. For non-floating balloons air inflators are used. Professional quality balloons are used, which differ from most retail packet balloons by being larger in size and made from 100% biodegradable latex.
Balloon modeling and balloons in art
Balloon artists are entertainers who twist and tie inflated tubular balloons into sculptures (see balloon animal). The balloons used for balloon sculpture are made of extra-stretchy rubber so that they can be twisted and tied without bursting. Since the pressure required to inflate a balloon is inversely proportional to the diameter of the balloon, these tiny tubular balloons are extremely hard to inflate initially. A pump is usually used to inflate these balloons.
Decorators may use hundreds of helium balloons to create balloon sculptures. Usually the round shape of the balloon restricts these to simple arches or walls, but on occasion more ambitious "sculptures" have been attempted. It is also common to use balloons as tables decorations for celebratory events. Table decorations normally appear with 3 or 5 balloons on each bouquet. Ribbon is curled and added with a weight to keep the balloons from floating away.
Water balloons
'Water balloons' are thin, small rubber balloons intended to be easily broken. They are usually used by children, who throw them at each other, trying to get each other wet, as a game or practical joke.
Rocket balloons
Balloons are often deliberately released, creating so called 'rocket balloons'. Rocket balloons work because the elastic balloons contract on the air within them, and so when the mouth of the balloon is left open, the gas within the balloon shoots out, and, due to , the balloon is propelled forward. This is fundamentally the same way that a rocket works.[8] Rocket balloons can be made by simply releasing standard toy balloons, or by modifying a standard toy balloon,[9]. Specially designed balloons can also be purchased, marketed as alternatives to fireworks.[10]
Flying machines
Hot air balloons, San Diego, California
Main articles: Balloon (aircraft)
Large balloons filled with hot air or buoyant gas have been used as flying machines since the 18th century. The earliest flights were made with hot air balloons using air heated with a flame, or hydrogen; later, helium was used.
Flying above the Ancient City during the Ferrara Balloons Festival, Italy
Medicine
Angioplasty is a surgical procedure in which very small balloons are inserted into blocked or partially blocked blood vessels near the heart. Once in place, the balloon is inflated to clear or compress arterial plaque, and to stretch the walls of the vessel, thus preventing myocardial infarction. A small stent can be inserted at the angioplasty site to keep the vessel open after the balloon's removal.[11]
Balloon catheters are catheters that have balloons at their tip to keep them from slipping out. For example, the balloon of a Foley catheter is inflated when the catheter is inserted into the urinary bladder and secures its position.[12]
In film
Balloons are often used as plot devices in films, due to the fact that they can be blown away, meaning that the characters can give chase, or they can be caught in the wind, catching the attention of the characters.[13] One such example of this is in ''The Day the Balloon Went Up'', an episode of ''Dad's Army'', in which the characters had to chase a stray barrage balloon.[14] The phrase ''when the balloon goes up'', as used in the title, is a slang term for when events become critical.[15] Hot air balloons have also featured predominantly in several films, such as ''The Wizard of Oz'', ''Around the World in Eighty Days'' and ''Five Weeks in a Balloon''.
Balloons have also been used in literature to express emotions. The popping of a balloon can symbolize death as in 'Why the Whales came' and they have often been used to express freedom.
This view is reflective of the famous quote, by American novelist and film maker Harry Krishna: 'freedom is only a balloon ride away'
See also
★ Aerobot
★ Atlas (rocket)
★ Balloon-carried light effect
★ Balloon mail
★ Balloon animal
★ Balloon modelling
★ Balloon rocket
★ Captive balloon
★ Cluster ballooning
★ Gas balloon
★ Helium
★ Hot air balloon
★ Hopper balloon
★ List of balloon uses
★ Radiosonde
★ Rockoon
★ Speech balloon
★ Weather balloon
Notes
1. Definition of balloon
2. Definition of ball
3. Robertson, Patrick. ''The Book of Firsts'', Bramhall House, NY, 1978.
4. Balloon History
5.
6. MARP Sponsors Inky Legislation
7. Legislation regulating the release of balloons
8. Scientific Explanation: Why the Rocket Balloon Works
9. Collect your materials for the rocket balloon
10. Rocket Balloon Fun Set
11. Angioplasty
12. History of the Catheter - Balloon Catheter - Thomas Fogarty
13. Famous Balloon Movies
14. Dad's Army: The Day the Balloon Went Up
15. The Penguin Dictionary of English Idioms, , Daphne M., Gulland, Penguin Books, 1994,
External links
★ Stratospheric balloons, history and present Historical recopilation project on the use of stratospheric balloons in the scientific research, the military field and the aerospace activity
★ National trade association for the UK balloon industry
★ National trade association for the Australasian balloon industry
★ Royal Engineers Museum Royal Engineers and Aeronautics
★ Royal Engineers Museum Early British Military Ballooning (1863)
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