Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Ex Input:
You call materials that have high resistance to electric current electric insulators.

Ex Output:
What do you call materials that have high resistance to electric current?


Ex Input:
Seismologists originally measured the intensity of an earthquake with the mercalli scale.

Ex Output:
How did seismologists originally measure the intensity of an earthquake?


Ex Input:
This heat is used to convert water into steam, which is then used to turn a turbine, thus generating electrical power.

Ex Output:

This heat is used to convert water into steam, which is then used to turn a turbine, thus generating what?