We hear the remarkable story of Piltdown Man, a supposed missing link between apes and humans that was revealed to be an elaborate hoax over a century ago. Charles Dawson, an amateur archaeologist, was ultimately identified as the culprit. The "Thing" was a brilliantly designed Soviet listening device that evaded detection by the Americans for years; the genius inventor behind it was Lev Termen. Charles Babbage's pioneering steam-powered Difference Engine was an early mechanical computer that could solve complex mathematical equations; his visionary ideas were ahead of their time.