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A balloon is an inflatable flexible filled with air and also gas, such as helium, hydrogen, nitrous oxide or oxygen. Modern balloons can be made from materials such as latex rubber, polychloroprene, or a nylon fabric, while some early balloons were made of dried animal bladders [citation needed].
The water is stored in balloon-like inflatable tanks the company calls Water Trees, which stand 39 feet tall and resemble giant onions, each contained in a durable plastic membrane held secure by ...
This is a non-comprehensive list of inflatable manufactured goods, as no such list could ever completely contain all items that regularly change. An inflatable [1] is an object that can typically be inflated with a gas, including air, hydrogen, helium and nitrogen. Some can be inflated with liquids, such as waterbeds and water balloons
The surfaces are typically composed of thick, strong PVC or vinyl and nylon, and the castle is inflated using an electric or petrol-powered blower.The principle is one of constant leakage, meaning small punctures are not a problem – a medium-size "bouncy castle" requires a fan with a mechanical output of about two horsepower (about 1.5 kW) and consumes around 2 kW of electrical power ...
The device consists of a flexible plastic tube containing several internal channels and two inflatable balloons. Apart from the balloons, the tube has an opening at the bottom (gastric tip) of the device. More modern models also have an opening near the upper esophagus; such devices are properly termed Minnesota tubes.
Balloon rockets work because the elastic balloons contract on the air within them, and so when the mouth of the balloon is opened, the gas within the balloon is expelled out, and due to Newton's third law of motion, the balloon is propelled forward. This is the same way that a rocket works.
High-altitude balloons or stratostats are usually uncrewed balloons typically filled with helium or hydrogen and released into the stratosphere, generally attaining between 18 and 37 km (11 and 23 mi; 59,000 and 121,000 ft) above sea level. In 2013, a balloon named BS 13-08 reached a record altitude of 53.7 km (33.4 mi; 176,000 ft). [1]
Trash-laden North Korean balloons were found on the grounds of South Korea’s presidential office compound, officials said Wednesday, the latest in a series of incidents that have raised tensions ...