An historical example of metaphor used to explain science
"Sphere of Coition, is all that space through which the smallest magnetic is moved by a magnet"
William Gilbert
Gilbert, W. (1600/2016). On the Magnet, Magnetic Bodies, and the Great Magnet of the Earth. A new science, with many both arguments and experiment proofs. (V. Wilmont, Trans.). Lulu.com.
Gilbert used the term 'Coition' metaphorically to refer to the mutal attraction between magnets.
Sphere of Coition is sometimes translated as Orbe of Coition.
