A violet ray is an antique electrotherapy medical device invented by Nikola Tesla that’s essentially a portable tesla coil. Altdorf, Germany-based photographer Marc Simon Frei purchased a unit from 1920 on eBay and customized it for experiments with photographing electricity at home. Frei generated electrical discharges in various ways and forms, and then captured them […]
A violet ray is an antique electrotherapy medical device invented by Nikola Tesla that’s essentially a portable tesla coil. Altdorf, Germany-based photographer Marc Simon Frei purchased a unit from 1920 on eBay and customized it for experiments with photographing electricity at home. Frei generated electrical discharges in various ways and forms, and then captured them […]
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