In high-security labs, from Silicon Valley to mainland China, researchers are racing to be the first to achieve what has been dubbed ‘Q-day’. On that day, all encryption and security could be laid bare – the deepest plans of militaries around the world, our medical records and private encrypted conversations could all be exposed. The internet could essentially break. Q-day, after all, is the day the most powerful machine yet comes online: the first fault-free quantum computer. Today, special correspondent for The Saturday Paper, Jason Koutsoukis on why Australia wants to join the race, and why one American company got the billion-dollar deal to do it. Socials: Stay in touch with us on Twitter and Instagram Guest: Special correspondent for The Saturday Paper, Jason Koutsoukis