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The balloon acts as a diffuser to soften and disperse the light. The upper portion of the balloon sometimes has a reflective inner coating to direct more of the light downward. Some commercial products use a blower to expand the balloon, while others have an umbrella-like internal wire frame.
Cluster ballooning was inspired by Larry Walters's experience, although his was not the first. [1]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 balloon Humboldt, drawing by Hans Groß. The Berlin scientific balloon flights (Berliner wissenschaftliche Luftfahrten) were a series of 65 manned and 29 unmanned balloon flights carried out between 1888 and 1899 by the German Society for the Promotion of Aeronautics to investigate the atmosphere above the planetary boundary layer.
Those balloons often reach heights of 20 miles above Earth -- or twice as high as planes typically fly. Sensors beam data back down to Earth every few seconds as winds carry the balloons up t ...
The base of the sample balloon was modified to take a cylindrical fitting (#40) that was fitted with the blower. The blower would operate at the ceiling altitude of 80,000 feet (24,000 m) for of the order of two hours to fill the sample balloon with about 33,000 cubic feet (930 m 3) of air. The inflated sample balloon is illustrated in Figure 2 ...
The festival is the longest-running balloon festival in the United States. [5] The event has been held at the Union County Airport since 1975. It will celebrate its 50th anniversary in 2025. [6] [7] The festival has since grown to attract 30,000 people per year. [8] The festival is a non-profit event that benefits different charities every year ...