bubble chamber

a container filled with a superheated, transparent liquid in which charged atomic particles and their collisions can be studied by photographing the bubbles and violent boiling that occur along their paths

See bubble chamber in American Heritage Dictionary 4

noun
An apparatus in which the movement and collision of ionizing particles is determined by the examination of trails of gas bubbles that form in the paths of the particles as they move through a superheated liquid.

Learn more about bubble chamber

link/cite print suggestion box