The black leather of the chairs I sat in creaked as my weight sank into it, as did the others with the weight of the other people within our tour. There were monitors for vital signs, which made some of us shift a bit in the chairs. Heart signs and brain activity and all. But our guide, Tom, reassured us that we wouldn’t be facing anything more dangerous than our own bad coordination within the simulation. He grinned, “These are here to make sure no one has a panic attack inside, and if they do, we can pull them out nice and easy.”