Quote Originally Posted by Future Esthar
If it´s not electromagnetic waves it is radiation.
What matters is that birds has non-light sources of detection.And the hol walls use just light.
bull! for one, birds have good sight. things that are see through they can't see because with their eyes they see only air in the area of the clear thing. no radiation, no EMW. they'll hit the holo walls and fall into the sea and die! no excuses!