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  2. Balloon release - Wikipedia

    en.wikipedia.org/wiki/Balloon_release

    A balloon race that took place in Bremen, Germany, in 2009. A balloon release is a ceremonial event in which a number of hydrogen- or helium-filled balloons are launched into the sky. Balloon releases can be done as a prayer ceremony, to create a photo opportunity, to raise awareness of a cause or campaign, or as a competitive long-distance race.

  3. Lifting gas - Wikipedia

    en.wikipedia.org/wiki/Lifting_gas

    That is why such balloons seem almost empty at launch, as can be seen in the photo. A different approach for high altitude ballooning, especially used for long duration flights is the superpressure balloon. A superpressure balloon maintains a higher pressure inside the balloon than the external (ambient) pressure.

  4. Balloon - Wikipedia

    en.wikipedia.org/wiki/Balloon

    In recent years, legislation such as the California Balloon Law has been enacted to enforce consumers and retailers to tether helium-filled foil balloons with a balloon weight. This ensures that the helium-filled balloons do not float into the atmosphere, which is potentially injurious to animals, the environment, and power lines.

  5. Why balloon releases are not the best way to celebrate and ...

    www.aol.com/why-balloon-releases-not-best...

    Some states have banned mass balloon releases, like the one in Cleveland, Ohio, in 1986 when a charity set loose a world-record 1.5 million helium-filled balloons.

  6. Balloonfest '86 - Wikipedia

    en.wikipedia.org/wiki/Balloonfest_'86

    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.

  7. Noble gas - Wikipedia

    en.wikipedia.org/wiki/Noble_gas

    Helium is used to provide buoyancy in blimps and balloons. Helium and neon are also used as refrigerants due to their low boiling points . Industrial quantities of the noble gases, except for radon, are obtained by separating them from air using the methods of liquefaction of gases and fractional distillation .

  8. Mystery of wedding rings tied to balloons solved

    www.aol.com/news/mystery-wedding-rings-tied...

    In early July, two boys in Alabama found an engagement ring and a wedding ring attached to two deflated helium balloons that fell right into their yard -- and their discovery started a search for ...

  9. High-altitude balloon - Wikipedia

    en.wikipedia.org/wiki/High-altitude_balloon

    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]

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