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Smoke Rings

Driving question: Can there be such air mass friction inside and out side to form and gradually disappear a smoke ring?
Introduction:
My project is based on the concept behind smoke rings. smoke rings work as examples of Herman Von Helmnotz theory which states that there is a ring of air that comes from within the container to the outside with smoke moving forward in a spherical rotation. This is because of the movement of particles inside the container.