Inflatable latex rubber balloon, (the most common balloon) was Michael Faraday in 1824, via experiments with air and various gases. Inflatable castles and similar structures are temporary inflatable buildings and structures that are rented for functions, school and church festivals and village fetes and used for recreational purposes, mainly used by children. The growth in popularity of moonwalks has led to an inflatable rental industry which includes inflatable slides, obstacle courses, games, and more. Inflatables are ideal for portable amusements because they are easy to transport and store. The name given to such structures varies. They have been marketed with such
Research balloon Research balloon Research balloons are balloons that are used for scientific research. They are usually unmanned, filled with a lighter-than-air gas like helium, and fly at high altitudes. Meteorology, atmospheric research, astronomy, and military research may be conducted from a research balloon. Weather balloons are a type of research balloon. Research balloons usually study a single aspect of science, such as air pollution, air temperature, or wind currents, although sometimes several experiments or equipment are flown together. Other than weather balloons, few research balloons are launched every year. This is driven by the large cost of the balloon, the instrument,