The new light-based quantum computer Jiuzhang has achieved quantum supremacy

A second type of quantum device performed a calculation impossible for a traditional computer

illustration of quantum computer light channels

The quantum computer Jiuzhang works by sending particles of light (illustrated in red) into a network of channels and then measuring the photons at the other end.

Yihan Luo

A new type of quantum computer has proven that it can reign supreme, too.