Inventing Iron Man: The Possibility of a Human Machine

Tony Stark has been battling bad guys and protecting innocent civilians since he first donned his mechanized armor in the 1963 debut of Iron Man in Marvel Comics. Over the years, Stark’s suit has allowed him to smash through walls, fly through the air like a human jet, control a bewildering array of weaponry by thought alone, and perform an uncountable number of other fantastic feats. The man who showed us all what it would take to become Batman probes whether science—and humankind—is up to...