The workings of tesla's brainchild, the TESLA COIL

"We are whirling through endless space, with an inconceivable speed, all around us everything is spinning, everything is moving, everywhere there is energy. There must be some way of availing ourselves of this energy more directly. Then, with the light obtained from the medium, with the power derived from it, with every form of energy obtained without effort, from the store forever inexhaustible, humanity will advance with giant strides. The mere contemplation of these magnificent …

…even with the coil off, can kill you. Primary voltages run up to 15,000 volts, but the discharger puts out anywhere from a quarter-million to a couple million volts depending on the input power. In short, Nikola Tesla's magnificent "toy" has given us something exciting to watch, teaming with raw power. It helps us open our minds to something that is difficult to comprehend but shows endless possibilities for what might be possible in the future.