
Originally Posted by
tricked
The iridium based compound effected areas of his brain and remained there, his visual centers, so that when he "picked up the transmissions", his brain interpreted them as pictures and events. "It always comes back to the duck" based on the brains perceptive interpretations of the information it's receiving. With some assistance from Walter and company, he was able to turn those transmissions into auditory interpretations.
So perhaps we could surmise that the Observers have iridium based compounds in their brains, which wouldn't necessarily be present in a blood sample ... and it's this compound which allows them to perceive information and data passed over their own networks via their beacons.
Bookmarks