GoKawiilResearchers report first working thorium-229 nuclear clock prototypes
Physicists have demonstrated initial operation of nuclear clocks based on a thorium-229 isotope transition, moving the concept from theory toward a working timekeeping device. These prototypes use a nuclear transition rather than the electron transitions employed by today's atomic clocks.
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A functioning nuclear clock could eventually offer greater stability and resistance to external interference than existing atomic clocks, researchers suggest, since nuclear transitions are less sensitive to environmental disturbances. If refined further, such clocks could improve applications like satellite navigation, fundamental physics tests, and precision timing standards, though significant engineering work likely remains before practical deployment.
- Thorium-229 nuclear clocks have reached an early working prototype stage
- They rely on nuclear transitions instead of electron transitions used in atomic clocks
- Potential benefits include greater stability for navigation and physics research, pending further development
Source: science.slashdot.org, 2026-10-09
Published there as: “First Thorium Nuclear Clocks Begin to Tick”
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