Potentially (potentially doing a LOT of heavy lifting here) unethical, make a reasonably comfortable tiny person cell, take the mushrooms, put a tiny person in the cell. A second person who is completely unaware of the previous events takes the mushroom and we see if they can see the same tiny person still in the cell.
Potentially (potentially doing a LOT of heavy lifting here) unethical, make a reasonably comfortable tiny person cell, take the mushrooms, put a tiny person in the cell. A second person who is completely unaware of the previous events takes the mushroom and we see if they can see the same tiny person still in the cell.
Collect enough of them in their own cells and we can battle them like Pokemon!