General Relativity and Quantum Mechanics are at polar odds with each other, and many physicists are trying to reconcile them in a grand unified theory. Perhaps they are not meant to be unified. Maybe unity is found elsewhere.
What can contemplation tell us about the speed of light or causality? Perhaps a lot, even All.
Transcending dualism back to the nondual unity of the One, of the Singularity, is something which we may approach from scientific, philosophical, and mystical perspectives.
Modern physics leads to mysticism. Why? What do we find when we pull apart reality? Perhaps that we can't ultimately pull it apart.
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.