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  2. Gas balloon - Wikipedia

    en.wikipedia.org/wiki/Gas_balloon

    The first launch of a gas balloon by Jacques Charles and Les Frères Robert, 27 August 1783, at the Champ de Mars, Paris.Illustration from the late 19th century. A gas balloon is a balloon that rises and floats in the air because it is filled with a gas lighter than air (such as helium or hydrogen).

  3. 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]

  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. From billions to bankruptcy: How the party died for Party ...

    www.aol.com/finance/billions-bankruptcy-party...

    Filling balloons with helium was one of the company’s most profitable services, and something consumers couldn’t do on Amazon; but in 2019, a nationwide helium shortage devastated that ...

  6. Lifting gas - Wikipedia

    en.wikipedia.org/wiki/Lifting_gas

    In a theoretically perfect situation with weightless spheres, a "vacuum balloon" would have 7% more net lifting force than a hydrogen-filled balloon, and 16% more net lifting force than a helium-filled one. However, because the walls of the balloon must remain rigid without imploding, the balloon is impractical to construct with any known material.

  7. Helium: It gives NYC's Thanksgiving parade a lift - AOL

    www.aol.com/news/2014-11-27-thanksgiving-turkey...

    Enough to fill 600,000 to 700,000 Mylar party balloons. But the parade helium is 99.999 percent pure, whereas the stuff in a party balloon might be only 97.5 percent pure. HOW BIG ARE THE BALLOONS?

  8. Lawnchair Larry flight - Wikipedia

    en.wikipedia.org/wiki/Lawnchair_Larry_flight

    On July 2, 1982, Larry Walters (April 19, 1949 – October 6, 1993) made a 45-minute flight in a homemade aerostat made of an ordinary lawn chair and 42 helium-filled weather balloons. [2] The aircraft rose to an altitude of about 16,000 feet (4,900 m), drifted from the point of liftoff in San Pedro, California , and entered controlled airspace ...

  9. Here's why meteorologists launch weather balloons every day

    www.aol.com/weather/heres-why-meteorologists...

    Tying knots, attaching nozzles and filling balloons with hydrogen is a daily duty for Tom Bradshaw, a meteorologist for the National Weather Service in Fort Worth, Texas. AccuWeather National ...

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