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Electric Spark on Leaf

A Coleus leaf is placed between the electrodes of an electric spark. The flowing electrons superheat the air resulting in an electrical spark which is recorded in the film emulsion. The different color sparks are due to different color fluorescent paper placed below the leaf.

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Filename: K22-leaf-DSC00529.jpg
Copyright: Ted Kinsman / Science Source Inc.
Image Size: 4000x6000 / 16.9MB; branching charge current dielectric dielectric breakdown discharge electric electric spark spark electricity electron electron flow electrons energy Lichtenberg Lichtenberg figure lightning potential volt voltage volts fractal physics pattern in nature Coleus blumei coleus
Contained in galleries: Dielectric Film Sparks

A Coleus leaf is placed between the electrodes of an electric spark. The flowing electrons superheat the air resulting in an electrical spark which is recorded in the film emulsion. The different color sparks are due to different color fluorescent paper placed below the leaf.