Everyone enjoys a good explosion or long distance launch.Â Learn to build your own canon project uses a simple ingredient â€“ dry ice (frozen carbon dioxide) which goes directly from solid to gas. The process called sublimation releases a lot of the built up pressure.Â Consider thisâ€¦1 pound of dry ice turns to gas and gives you 250 liters of gas! Thatâ€™s a lot of gas and a lot of latent propellant. The water fast tracks the form change of the dry ice creating an explosive propellant.
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