It was an innocent experiment. Tesla had attached a small vibrator to an iron column in his New York City laboratory and started it vibrating. At certain frequencies specific pieces of equipment in the room would jiggle. Change the frequency and the jiggle would move to another part of the room. Unfortunately, he hadn't accounted for the fact that the column ran downward into the foundation beneath the building. His vibrations were being transmitted all over Manhattan. For Tesla, the first hint of trouble came when the walls and floor began to heave . He stopped the experiment just as the police crashed through the door. It seems he'd started a small earthquake in his neighborhood smashing windows, swayed buildings, and sending panicked neighbors rushing into the streets. The police had frequently responded to complaints about Tesla's unusual activities...