What is qualia? What is the source of individual instances of subjective conscious experience, like seeing the redness of an apple? Where does the redness come from? I don't know, but here are some ideas. Energy in our environment impinges upon our sense organs causing a cascade of electrochemical reactions and nerve impulses that are [...]
It sounds like a pretty woowoo thing to say, really smacking of the "New Age." But this seems to be the skeleton in the closet that even physicists don't want to admit. But some have.
Max Tegmark, the physicist and author, speaks about the challenges and opportunities in trying to understand consciousness in this Big Think video.