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
Self-experimentation in medicine a well-known proponent of the social use of the drug in the 1960s. Around 1886, Nicholas Senn pumped nearly six litres of hydrogen through his anus. Senn used a rubber balloon holding four US gallons connected to a rubber tube inserted in the anus. An assistant sealed the tube by squeezing the anus against it. The hydrogen was inserted by squeezing the balloon while monitoring the pressure on a manometer. Senn had previously carried out this experiment on dogs to the point of rupturing the intestine. Senn was a pioneer of using this technique to determine if the bullet in