Plot: Remotely operated vehicles allow us to explore the mysteries of inner and outer space, provide firsthand glimpses of the horrors of nuclear disasters, and offer the vicarious thrill of flying planes or driving cars. From the first remote controlled vehicle, Nikola Tesla’s 1898 steam-powered boat, to underwater ROVs that locate sunken vessels and explore the ocean floor, to their use by NASA in the space program, we see how ROVs extend our range into worlds previously unreachable, unknown, or unsafe