howstuffworks:

What are the 10 most prevalent forms of torture and why?

Electric shock torture methods haven’t been around as long as many other widely used methods — humans didn’t figure out how to harness electricity until the late 19th century. Once established, however, electricity soon came into use as a method of torture.

This type of torture can be as crude as introducing a current to a victim via a cattle prod or other device designed to deliver a shock attached to a car battery. Shocks are used as a torture method because they’re cheap and effective. What’s more, shocks tend to leave behind little obvious physical trace of the agony they produce.

Read more…