Homophony, metaphor, and visualization: the problem of scale

In the comment stream following an article here about cyberbullying,


someone writes, “Social media could be seen as a sort of petri dish for studying the methods and morays of such individuals.”

About which, two images.

From my former life, a petri dish full of bacterial colonies, with a human hand to show scale:

From my present life on a reef-girded island, a moray (photograph not by me):

And on behalf of language and its property of evoking visual imagery, a song of joy:

O tempora! My hovercraft (as M. Python once exclaimed) is full of eels!