I was always puzzled by human's experience of "seeing". When you "see redness" for example. It was very hard for me to explain it to other people before I found

I was always puzzled by human's experience of "seeing". When you "see redness" for example. It was very hard for me to explain it to other people before I found that there is special term called "qualia": https://en.wikipedia.org/wiki/Qualia https://en.wikipedia.org/wiki/Qualia And I have absolutely no idea how to make machines experience "qualia". Any sophisticated image/motion recognition is rather trivial stuff compared to achieving mysterious "qualia".