I: It's more than skin deep : Tony learns to live inside a suit of iron -- Origins of the iron knight: bionics, robotic armor, and anthropomorphic suits -- Building the body with biology: when the man of metal needs to muscle in -- Accessing the brain of the armored avenger: can we connect the cranium to a computer -- II: Use it and lose it : will time tarnish the golden avenger? -- Multitasking and the metal man: how much can Iron Man's mind manage? -- Softening up a superhero: why the man with a suit of iron could get a jelly belly -- Brain drain: will Tony's gray matter give way? -- III: Armored avenger in action : if we build it, what will come? -- Trials and tribulations of the tin man: what happens when the human machine breaks down -- Visions of the vitruvian man: is invention really only one part inspiration? -- Deal or no deal? Could Iron Man exist?