A replica of a 6×12 solitary confinement cell was on display at Marquette University in Milwaukee last week. The cell, which comes with a recording of shouting and banging on walls similar to what would be heard in prison, was built at Edgewood College in Madison and has made several appearances around Wisconsin. Its purpose is to give people a realistic sense of what it’s like to be solitary, though of course it’s fundamentally different to be able to walk away at any time. Although visitors can stay inside for as long as 45 minutes, few last longer than 10.