The Open Kirlian is an open source device to look at the kirlian effect around your fingers. The [Kirlian Effect https://kirlianresearch.com/kirlian_principle.html] shows a a visible electro-photonic glow of an object (plasma) in response to pulsed electrical field excitation.
The development of the Open Kirlian Device was part of the outcome from a  with Maurizio Martinucci aka TeZ (NL/IT) and Urs Gaudenz GaudiLabs (CH).
This Do-It-Your-Self (DIY) project can be built from low cost commercial components and 3D printed parts. The device includes a high voltage generator - build it at your own risk and be sure to inform your self about the potential dangers. The device is inspired by a commercial product, [Bio.Well https://www.bio-well.com/].