Re: How does it work
Some good questions there. Yes, by all means find a book on the subject and tuck in, or do what I do during the boring workday, read up on things in Wikipedia. It's great for general knowledge things like Quantum Computing, or nano tech, or just about anything. Be prepared for some high maths, but if you're like me, the maths are a bit beyond my knowledge, but the concepts all make sense, once you come to grips with the basis for the technology. Start small, then build up your knowledge. It's complicated, but not impossible.
You can start here: https://en.wikipedia.org/wiki/Quantum_computing
Then, I usually bring up linked items I'm unfamiliar with in extra tabs, until it starts to make sense.