She takes him to a room on another floor where the specimens, all males, are sitting on seats similar to those found in cars. They’ve been immobilized and their heads are inside what look like square helmets made of metal bars. An assistant pushes a button and the helmet-like structure moves very fast, striking the specimen’s head against a board that senses and registers the quantity, velocity, and impact of the strikes. Some of the specimens appear to be dead because they don’t react when the assistants try to revive them. Others look around disoriented, and have pained expressions on their faces. Valka says, “We simulate automobile accidents and collect data so that safer cars can be built. That’s why we need more male specimens, strong ones, so that they can withstand several trials.”