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A new self‑stabilizing nuclear clock, developed by scientists in Vienna, marks a major breakthrough in timekeeping and could eventually outpace the most precise atomic clocks. The device uses the tiny nuclei of thorium atoms instead of electron transitions, making it far less sensitive to external disturbances. This advancement promises unprecedented accuracy for applications ranging from GPS navigation to fundamental physics experiments. The next steps involve scaling the technology, integrating it into portable systems, and testing its long‑term stability under real‑world conditions. [[1]]