“Self-Devouring”. Interesting concept.
I can see it being used in both practical and creative modes of communication. A Physicist works on a mathematic formula that germinates like a tomato seed. It sprouts, roots stems, buds, blossoms, produces fruit, depletes the mineral content in it’s soil and begins to degenerate or die. The stems become barren and dessicated. The stem tips, falls, rots and rejoins the earth as a newer source of mineral.
Musicians will write concertos or riffs describing that same pattern of events and using sound to tell the tales.
“....and leaving no debris once the flight is completed.”
Well, with the exception of the blown up building and the bodies of the 37 dead people left in the rubble. Cadaver dogs will be needed to locate the tender morsels strewn about...
Let me guess - it uses American paper money as fuel (provided free by the US), to fly in circles until it disappears completely...