Use of "petri dish" as metaphor in non-scientific context [closed]
Solution 1:
Yes, it can!
The city was a petri dish for crime.
Solution 2:
Petri dish is used metaphorically quite often. Here are a few examples from a quick search of recent article titles:
Is Facebook the Petri Dish of Jealousy in Your Love Life? What “Cyberpsychology” Says
The United States: A Petri Dish of Liberal Democracy
The Internet is the petri-dish of humanity. We can't control what grows in it, but we don't have to watch either.
Wireless hotspots: petri dish of wireless security
Solution 3:
Of course petri dish can be used as a metaphor. I think what you meant to ask was Is petri dish used as a metaphor in non-scientific contexts? And the answer is: yes.
Here's an example from The Economist, April 2011:
This grim scenario, however, was only averted by a deal that treated [Washington] DC as a sort of petri dish for House Republicans’ social experiment.
I.e. a petri dish is a place where (or upon which) experiments are conducted.