Cathode ray
From Jenny Everywhere Wiki
Cathode rays were the rays produced by a cathode tube.
In one world, (COMIC: Magician From Mars…) while they would have had no effect on a full-blooded Martian, (COMIC: On Earth) they had an odd influence on the biology of a Human-Martian hybrid; such an incident gave the Magician from Mars her unique mental powers. (COMIC: Magician From Mars…)
