piston ring


a: Piston ring ~
b: a spring

What: "A piston ring is like a spring. Engine bores are not really round. Manufacturing imperfections, cylinder wear, and head bolt loads make cylinders out of round when you're looking at a micron scale." A discussion of piston rings is in the link.

Writer: Verruckt
Date: Oct 3 2013 6:30 PM

Green Venn Diagram

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.