RPS 2019 Science Photographer of the Year Shortlist

Safety Corona by Richard Germain. A safety pin is connected to a high-tension AC generator to make the pin ionise the air around it. When the electrons fall back on an atom, the excess energy is emitted as photons, which generate the corona glow around the pin. The fuzziness of the pin is because the camera did not actually capture light reflected on the pin but rather the light emitted by the ionisation around it. (Photo by Richard Germain/2019 Science Photographer of the Year/RPS)
RPS 2019 Science Photographer of the Year Shortlist
   
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