In 1972, American artist and psychic Ingo Swann altered the magnetic field inside a thickly shielded vacuum container located underground for several secondsby simply thinking about it. As Harold Puthoff, a physicist with the Stanford Research Institute, witnessed the output from his magnetometer changing, he was mind-blown. There was no physical explanation for the reading changing the way it did. And as soon as Puthoff asked Swann to stop thinking about the apparatus, the unexplained changes in the magnetic field abruptly stopped. And in the early 1970s ... the U.S. government agreed. By the time Puthoff and his colleague Russel Targ, another physicist at the Stanford Research Institute ... presented their results at an international meeting on quantum physics and parapsychology, the CIA had already begun working with SRI to perform top-secret research on paranormal phenomena"primarily "remote viewing" for intelligence collection. Remote viewing refers to a type of extra-sensorial perception that involves using the mind to "see" or manipulate distant objects, people, events, or other information that are hidden from physical view. By the mid-1980s, the Defense Intelligence Agency (DIA) took the program over, calling it "Stargate." The DIA continued the project until the mid-1990s, when the CIA began declassifying its documents on remote viewing research to facilitate an external review of the project, and the DIA quickly followed suit.