[2] The grain is processed and expanded: water is added and the corn is pulverized.
Kix are cooked in the extruder, when the dough is formed into the desired shape by extrusion through a die.
[3] Experimentation with the Kix puffing process led to popular brands like Cheerios (1941).
In 1947, Kix offered a Lone Ranger atomic bomb ring in exchange for a box top and 15 cents.
[6] The ring contained a spinthariscope, so that when the red base (which served as a "secret message compartment") was taken off, and after a period of time for dark adaptation, you could look through a small plastic lens at scintillations caused by polonium alpha particles striking a zinc sulfide screen.