What if they evolved to use radiation as a sensory input/output as a form of communication, as humans have with sound? That civilization might then be more caut

What if they evolved to use radiation as a sensory input/output as a form of communication, as humans have with sound? That civilization might then be more cautious to radiation as "noise", and perhaps use sound as we do radio waves. I don't know anything about this stuff, it's just a fun armchair thought.