Reading @profbriancox and Jeff Forshaw's book on back holes - super interesting + helpful explanations and easy to read. Of course that doesn't mean quick to read... lots of breaks required to think and ponder.
Still haven't got an intuitive feel for why light travels at the same speed, no matter how fast/slow the observer is travelling. Counter-intuitive for sure. Surely this suggests that we are missing an understanding of a key fundamental aspect of the way our universe operates? Or is it just not the case that all phenomena are intuitive (obvious) once we gain an understanding? Am I expecting too much? I should just keep reading...