Before we can commonly use a new noun, we need to fully fit its meaning in our limited working memory. So I believe there is a natural upper bound in human inte

Before we can commonly use a new noun, we need to fully fit its meaning in our limited working memory. So I believe there is a natural upper bound in human intelligence, for things that are beyond our brain power to get the full picture. That must be why we haven't solved P = NP yet. This would take a person with twice the L1 cache to accomplish.