In The Neverending Story a little boy named Bastian discovers that there's something extraordinary about the book he's smuggled into his backpack: it changes as he reads it. The act of reading "The Neverending Story" Bastian finds, is simultaneously the act of writing it. Could our universe be in a similar loop?
Quantum computers often grab the science headlines. But what exactly is quantum computing? What will quantum computers be able to do, and when can we expect to have fully functional ones?