It was curious that it was the older items which reacted in such a way... as though it had been encoded, or perhaps fell apart because of the inability to maintain that energy...

[Such a notion wasn't lost on her, with her varying theories that she'd muttered at one point or other. And perhaps it would be less... reckless if they kept their focus to isolating factors within the barrier than what might be outside of it.]

If we keep our exploration to within the barrier, perhaps you can remain corporeal so we can test that aspect further. Perhaps a hidden area may reveal itself, or give further indication to somewhere that might.