Through the eye of the high-speed camera: with suitable software, Enno Peters analyzes the plasma in the spark gap frame by frame. The graph gives the local current distribution (yellow line) on a scale from 0 to 4095: This number corresponds exactly to the 12bit resolution of the camera. Picture credits: Enno Peters/TU Braunschweig

This image is part of: Picture of the Month: The quadrature of lightning. Please note the copyright of this image.