One of the topics from lecture that I don't fully understand is the unsettled issue of seeing versus knowing. When Professor Kaplan said "I see lectern, I touch lecture, lectern works for me!" I honestly don't understand what is no settled about that. Recently, I've seen a few things that have assisted my understanding. The best example is an optical illusion as shown below.
To me it looks like the top square is dark gray and the bottom square is light gray. In the moment I see this image I mistakenly think I "know" this is true. However, when I put my finger between my eye and the image such that I block the section were the square come together the illusion is dispelled and I see that both blocks are the same color. I see how in this case and other optical illusions the issue between what we see and what we know can be unsettled but these still seem like isolated cases. I cannot yet reconcile that the issue is never settled.
James Makel
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