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  2. Atmos clock - Wikipedia

    en.wikipedia.org/wiki/Atmos_clock

    Jaeger-LeCoultre's Atmos clock on display. Atmos is the brand name of a mechanical torsion pendulum clock manufactured by Jaeger-LeCoultre in Switzerland. The clock gets the energy it needs to run from temperature changes in the environment and does not need to be wound manually.

  3. Quantum logic clock - Wikipedia

    en.wikipedia.org/wiki/Quantum_logic_clock

    Both the Al-based quantum clock and the Hg-based optical atomic clock track time by the ion vibration at an optical frequency using a UV laser, that is 100,000 times higher than the microwave frequencies used in NIST-F1 and other similar time standards around the world. Quantum clocks like this are able to be far more precise than microwave ...

  4. Atomic clock - Wikipedia

    en.wikipedia.org/wiki/Atomic_clock

    Atomic clocks are installed at sites of time signal radio transmitters. [113] They are used at some long-wave and medium-wave broadcasting stations to deliver a very precise carrier frequency. [114] Atomic clocks are used in many scientific disciplines, such as for long-baseline interferometry in radio astronomy. [115]

  5. List of atomic clocks - Wikipedia

    en.wikipedia.org/wiki/List_of_atomic_clocks

    This is a list of some experimental laboratory atomic clocks worldwide. This list is incomplete; ... This page was last edited on 6 December 2024, at 01:21 (UTC).

  6. Optical clock - Wikipedia

    en.wikipedia.org/wiki/Optical_clock

    In July 2022, atomic optical clocks based on iodine molecules were demonstrated at-sea on a naval vessel and operated continuously in the Pacific Ocean for 20 days in the Exercise RIMPAC 2022. [51] These technologies originally funded by the U.S. Department of Defense have led to the world's first commercial rackmount optical clock in November ...

  7. Nuclear clock - Wikipedia

    en.wikipedia.org/wiki/Nuclear_clock

    Such a clock is expected to be more accurate than the best current atomic clocks by a factor of about 10, with an achievable accuracy approaching the 10 −19 level. [2] The only nuclear state suitable for the development of a nuclear clock using existing technology is thorium-229m, an isomer of thorium-229 and the lowest-energy nuclear isomer ...

  8. Chip-scale atomic clock - Wikipedia

    en.wikipedia.org/wiki/Chip-scale_atomic_clock

    Commercial manufacturing of these atomic clocks began in 2011. [4] The CSAC, the world's smallest atomic clock, is 4 x 3.5 x 1 cm (1.5 x 1.4 x 0.4 inches) in size, weighs 35 grams, consumes only 115 mW of power, and can keep time to within 100 microseconds per day after several years of operation.

  9. Optical lattice - Wikipedia

    en.wikipedia.org/wiki/Optical_lattice

    The best atomic clocks in the world use atoms trapped in optical lattices, ... This page was last edited on 4 November 2024, at 01:06 (UTC).