These things can be considered 0 or 1 propositions. They exist in either an off or on position. There is a fractional transition state, but they can not stay there very long. A coin on it's side is not as stable as a coin sitting on its face.
METAMIA is a free database of analogy and metaphor. Anyone can contribute or search. The subject matter can be anything. Science is popular, but poetry is encouraged. The goal is to integrate our fluid muses with the stark literalism of a relational database. Metamia is like a girdle for your muses, a cognitive girdle.