Scientists in Vienna and Beijing create world's first nuclear clocks - Reuters

Scientists in Vienna and Beijing have announced the creation of the world’s first nuclear clocks, marking a new milestone in precision timekeeping. The devices are described as the next generation of atomic clocks, offering ultra‑accurate measurement of time.

The nuclear clocks build on the principles of atomic clocks that have been in use since 1949, but they employ nuclear transitions rather than electronic ones to define the unit of time. This approach is expected to reduce the influence of external perturbations, potentially achieving greater stability and accuracy than existing atomic standards.

The development was a joint effort between research teams in Austria and China, combining expertise in nuclear physics and advanced instrumentation. The collaboration resulted in functional prototypes that have demonstrated the feasibility of nuclear‑based timekeeping under laboratory conditions.

One of the scientists involved highlighted possible applications for the new technology, including improvements to satellite‑based navigation systems and the synchronization of high‑speed data transfers. Enhanced timing precision could benefit sectors that rely on exact coordination, such as telecommunications and global positioning.

The introduction of nuclear clocks is viewed as a significant step toward redefining the international time standard. Further testing and refinement are planned to assess the clocks’ performance in real‑world environments and to explore additional practical uses.