Message #182250

[Fire in the Sky]

of the card. For the effect would presumably be additive, and one figure indistinguishable from another on the analogy of sensory perception and mechanical reception. So I see no way to use the radiation theory unless the ink-figures themselves give off the special radiation, and that its waves are short enough to penetrate cardboard even when piled up 25 cards deep and about ¾ inch thick.