A visualisation of an electrical charge moving through plastic. Machines are used to discharge electricity onto surfaces then metallic powders are used to visualise the static. The image is then exposed onto a photopolymer plate and etched with ink. Is is called the photogravure process.
Description by Nicolas Strappini, after the description on imaggeo.egu.eu.
Imaggeo is the EGU’s online open access geosciences image repository. All geoscientists (and others) can submit their photographs and videos to this repository and, since it is open access, these images can be used for free by scientists for their presentations or publications, by educators and the general public, and some images can even be used freely for commercial purposes. Photographers also retain full rights of use, as Imaggeo images are licensed and distributed by the EGU under a Creative Commons licence. Submit your photos at http://imaggeo.egu.eu/upload/.