Electrolytic serum was a substance that when injected into the bloodstream of a particular species, allowed them to pass through an electrified ray shield. Parwans could survive the effects of the serum, but it is toxic to other life forms.
Electrolytic serum was a substance that when injected into the bloodstream of a particular species, allowed them to pass through an electrified ray shield. Parwans could survive the effects of the serum, but it is toxic to other life forms.