TU Wien PTB first self-stabilizing thorium-229 nuclear clock in Nature
Analysis: Science & Technology — 12 October 2026 Vienna team runs first self-stabilizing thorium-229 nuclear clock Researchers at TU Wien, with PTB Braunschweig, report in Nature a thorium-229 optical nuclear clock that locks a laser to a nuclear transition through its own feedback loop. The device ran independently for more than 24 hours and reached … Read more