It might be just me, but I think reading hard sci-fi is much more educational and memorable, not to mention entertaining, than non fiction
Spoilers for Three Body Problem:
For instance, I can never forget the way the Alcubierre drive is explained in the final book, or the benefits of particle accelerator with the circumference of the asteroid belt
Spoilers for Three Body Problem: For instance, I can never forget the way the Alcubierre drive is explained in the final book, or the benefits of particle accelerator with the circumference of the asteroid belt