region of your body that takes inputs from senses and maps them out in its limited capabilities. We evolved in a medium sized 3 dimensional world. That is why even the greatest minds struggle to understand the infinitesimally small quantum world, the vastness of a universe 92 billion light years across, dimensions outside the 3 that matter to our evolution.
https://youtu.be/xRel1JKOEbIEdited by TigerMatt at 01:45:20 on 07/07/19