Does China’s Jiuzhang 4.0 computer herald the age of quantum supremacy?

China has unveiled its new photonic quantum computer, Jiuzhang 4.0, which significantly outperforms the fastest traditional supercomputer. Results were published on May 13 in Nature, showcasing China's rapid advancements in quantum technology. The program is led by a team of scientists at the University of Science and Technology of China under the guidance of a renowned quantum scientist. Jiuzhang 4.0 represents a crucial step toward achieving quantum supremacy, enabling data processing at unprecedented speeds.