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Balloons are the most common type of inflatable. An inflatable [1] is an object that can be inflated with a gas, usually with air, but hydrogen, helium, and nitrogen are also used. One of several advantages of an inflatable is that it can be stored in a small space when not inflated, since inflatables depend on the presence of a gas to maintain ...
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]
Typically, a helium-filled latex balloon that is released outdoors will stay aloft long enough to be almost fully deflated before it descends to Earth. [7] However, the Balloonfest balloons collided with a front of cool air and rain, which caused them to drop towards the ground while still inflated.
Balloons are given for special occasions, such as birthdays or holidays, and are often used as party décor. A balloon is a flexible membrane bag that can be inflated with a gas, such as helium, hydrogen, nitrous oxide, oxygen, or air.
The task of inflating the balloon with helium from the 1,685 steel cylinders [3] took eight hours, [10] during which the team needed to repair a 5.2 m (17 ft) long tear that formed in the fabric. [6] Once inflated, the balloon stood 96 m (316 ft) tall. [1] The gondola was kept anchored to the earth by a team of more than 100 soldiers holding ...
An inflatable laser maze. 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.
Fully inflated, a balloon of this size would contain just over 1,000 cubic feet (28 m 3) of helium. [29] Helium's lift capacity at sea level and 0 °C is 1.113 kg/m 3 (0.07 lbs/ft 3) and decreases at higher altitudes and at higher temperatures. The volume of helium in the balloon has been estimated as being able to lift a total load, including ...
Around this time, it was discovered that helium enabled divers to stay under water longer and ascend in a shorter time, presenting another application for helium. In reaction to depleting helium sources, the Helium Act of March 3, 1927 was established to prohibit the sale of helium to foreign countries and for non-governmental domestic use. [8]
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