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Nitschke described his device as a modification of the exit bag with helium method described in The Peaceful Pill Handbook. Helium was replaced by a cylinder of compressed nitrogen and a regulator to supply the nitrogen into a plastic bag. One advantage of this method was the availability of larger amounts of nitrogen and flow rates last longer.
A suicide bag, also known as an exit bag or hood, [1] [2] is part of a euthanasia device consisting of a large plastic bag with a drawcord used to die by suicide through inert gas asphyxiation. It is usually used in conjunction with a flow of an inert gas that is lighter or less dense than air, like helium or nitrogen .
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]
A balloon is a flexible membrane bag that can be inflated with a gas, such as helium, hydrogen, nitrous oxide, oxygen, or air. For special purposes, balloons can be filled with smoke, liquid water , granular media (e.g. sand, flour or rice), or light sources.
English chemist Humphry Davy offered the gas to party guests in a silken bag, and documented its effects in his 1800 book Researches, Chemical and Philosophical which investigated "nitrous oxide, or diphlogisticated nitrous air, and its respiration". [17]
Around this time, it was discovered that helium enabled divers to stay under water longer and ascend in a shorter time, presenting another application for helium. In reaction to depleting helium sources, the Helium Act of March 3, 1927 was established to prohibit the sale of helium to foreign countries and for non-governmental domestic use. [8]