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2. Lifting gas - Wikipedia

   en.wikipedia.org/wiki/Lifting_gas

   By human standards, helium is a non-renewable resource that cannot be practically manufactured from other materials. When released into the atmosphere, e.g., when a helium-filled balloon leaks or bursts, helium eventually escapes into space and is lost.

3. Inflatable - Wikipedia

   en.wikipedia.org/wiki/Inflatable

   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].

4. Tim Cole (balloonist) - Wikipedia

   en.wikipedia.org/wiki/Tim_Cole_(balloonist)

   This lifting gas is an economical alternative to helium. [7] From Greeley, Colorado, Cole made a world-record solo duration flight in an ammonia gas balloon on September 26, 1991; the National Aeronautics Association declared it one of ten most important flights that year. [1] In 1993, Steve Fossett reached out to Tim Cole for balloon flying ...

5. Allsopp Helikite - Wikipedia

   en.wikipedia.org/wiki/Allsopp_Helikite

   A Helikite lifting a gyro-stabilized camera. The Allsopp Helikite is a kite balloon or kytoon designed by Sandy Allsopp in the United Kingdom in 1993. [1] This Helikite comprises a combination of a helium balloon and a kite to form a single, aerodynamically sound, tethered aircraft, that utilises both wind and helium for its lift.

6. Noble gas - Wikipedia

   en.wikipedia.org/wiki/Noble_gas

   The inertness of noble gases makes them useful whenever chemical reactions are unwanted. For example, argon is used as a shielding gas in welding and as a filler gas in incandescent light bulbs. Helium is used to provide buoyancy in blimps and balloons. Helium and neon are also used as refrigerants due to their low boiling points.

7. Rozière balloon - Wikipedia

   en.wikipedia.org/wiki/Rozière_balloon

   During 1999, Bertrand Piccard and Brian Jones achieved the first non-stop balloon circumnavigation in Breitling Orbiter 3, a Rozière balloon. A Rozière balloon (or simply Rozière) is a type of hybrid balloon that has separate chambers for a non-heated lifting gas (such as hydrogen or helium) as well as for a heated lifting gas (as used in a hot air balloon or Montgolfière). [1]