Atomic clock
An atomic clock is a clock whose timekeeping mechanism is based on the interaction of electromagnetic radiation with the excited states of certain atoms. Specifically, either a hyperfine transition in the microwave region, or an electron transition in the optical or ultraviolet region, of the emission spectrum of an atom is used as a frequency standard for the timekeeping element. Atomic clocks are the most accurate time and frequency standards known, and are used as primary standards for international time distribution services, to control the wave frequency of television broadcasts, and in global navigation satellite systems such as GPS.
Atomic clock1908 in science1955 in science1997 in science2011 in science2013 in scienceAbraj Al BaitAlarm clockAlex CableAlfred SchildAlgonquin 46m radio telescopeAli JavanAlkali metalAllais effectAllan varianceAlternative approaches to redefining the kilogramApache Point Observatory Lunar Laser-ranging OperationAtom clockAtom clocksAtomic ClockAtomic Clock (disambiguation)Atomic Clock Ensemble in SpaceAtomic SecondAtomic clocksAtomic engineeringAtomic fountainAtomic oscillatorAtomic secondAtomichronAugust 1915Barycentric Dynamical TimeBoråsBradford ParkinsonBraunschweigCOSCCaesium
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Atomic clock
An atomic clock is a clock whose timekeeping mechanism is based on the interaction of electromagnetic radiation with the excited states of certain atoms. Specifically, either a hyperfine transition in the microwave region, or an electron transition in the optical or ultraviolet region, of the emission spectrum of an atom is used as a frequency standard for the timekeeping element. Atomic clocks are the most accurate time and frequency standards known, and are used as primary standards for international time distribution services, to control the wave frequency of television broadcasts, and in global navigation satellite systems such as GPS.
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An atomic clock is a clock who ...... ith respect to the solar time.
@en
Atomové hodiny jsou přesné hod ...... o sekundu za 158 milionů let.
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Een atoomklok is een klok die ...... die zijn gebaseerd op cesium.
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Eine Atomuhr ist eine Uhr, der ...... Energie-Übergängen verliehen.
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Erloju atomikoak bere kontagai ...... batuar kimikariak eraiki zuen.
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Ett atomur är ett ur som mäter ...... nd per ungefär 138 000 000 år.
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Jam atom adalah sebuah jenis j ...... arkan pengamatan astronomikal.
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L'orologio atomico è un tipo d ...... enza di risonanza di un atomo.
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S'anomena rellotge atòmic a aq ...... a la dels rellotges de quars.
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Um relógio atômico (português ...... ídio e, principalmente, césio.
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Atoma horloĝo
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Atomic clock
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Atomové hodiny
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Atomuhr
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Atomur
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Atoomklok
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Erloju atomiko
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Horloge atomique
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Jam atom
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Orologio atomico
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FOCS 1, a continuous cold caes ...... ne second in 30 million years.
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classification
fuel source
industry
name
Atomic clock
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Yes
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An atomic clock is a clock who ...... satellite systems such as GPS.
@en
Atomové hodiny jsou přesné hod ...... o sekundu za 158 milionů let.
@cs
Een atoomklok is een klok die ...... eurigheid bedraagt 6 × 10−18).
@nl
Eine Atomuhr ist eine Uhr, der ...... en auch primäre Uhren genannt.
@de
Erloju atomikoak bere kontagai ...... batuar kimikariak eraiki zuen.
@eu
Ett atomur är ett ur som mäter ...... och jordens lokala tidsskalor.
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Jam atom adalah sebuah jenis j ...... dingin dan air mancur atomik.
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L'orologio atomico è un tipo d ...... enza di risonanza di un atomo.
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S'anomena rellotge atòmic a aq ...... a la dels rellotges de quars.
@ca
Um relógio atômico (português ...... ídio e, principalmente, césio.
@pt