China builds fastest quantum computer Speed of Jiuzhang 4.0 prototype is a result of use and control of photons By LI MENGHAN and ZHU LIXIN | CHINA DAILY | Updated: 2026-05-15 07:24

https://www.chinadaily.com.cn/a/202605/15/WS6a0659aca310d6866eb48b37.html A team of Chinese scientists has developed the world's fastest quantum computer prototype, named Jiuzhang 4.0, capable of solving complex mathematical problems in less than the blink of an eye — tasks that even for the world's most powerful supercomputer would take longer than the age of the entire universe to crack.