Lord of the memes

Then as it turns out, a current tech challenge in astronomy concerning gravitational waves, is to parse them through a detector analogous to a prism, to break these waves up into component parts, not unlike a gravitational rainbow.

So it turns out to be not just a poetic flight of fancy, it may describe something that might actually exist. The Universe is always stranger and more wondrous that we can imagine at any given point in time.