@Google recently announced that its quantum computer made a huge breakthrough. What exactly is quantum computing? What does it require? @JHUPhysicsAstro postdoc Yufan Li can explain.

Google recently announced that its quantum computer made a huge breakthrough and can perform a calculation that would normally take thousands of years in mere minutes. What exactly is quantum computing? What does it require? Johns Hopkins University's Yufan Li, who recently discovered a material could power the future of quantum computing, can explain.