I’ve seen Greg Egan mentioned a couple times. I love most of what I’ve read by him, but “The Clockwork Rocket” trilogy stands far above for me. A multi-generati

I’ve seen Greg Egan mentioned a couple times. I love most of what I’ve read by him, but “The Clockwork Rocket” trilogy stands far above for me. A multi-generational hard sci-fi story. Characters who are intelligent, curious researchers who set out to learn and unravel the nature of their universe to try to save their world, set in alternate physics.