Atomic Clock | Encyclopedia
11/06/2018· atomic clock, electric or electronic timekeeping device that is controlled by atomic or molecular oscillations. A timekeeping device must contain or be connected to some apparatus that oscillates at a uniform rate to control the rate ofAtomic clock - Wikipedia,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 standardfor the timekeeping element. Atomic clocks are t…atomic clock | instrument - Encyclopedia Britannica,atomic clock, type of clock that uses certain resonance frequencies of atoms (usually cesium or rubidium) to keep time with extreme accuracy. The electronic components of atomic clocks are regulated by the frequency of the microwave electromagnetic radiation.Atomic clock - Simple English Wikipedia, the free encyclopedia,From Simple English Wikipedia, the free encyclopedia An atomic clock An atomic clock is a clock that works with atoms, as opposed to most other clocks which are mechanical. The frequency comes from the crossing radiation of electrons. Atomic clocks are currently the most exact clocks of the world. They are also called primary clocks.Atomic clock - Wikipedia, the free encyclopedia,Larimer County, Colorado. Department of Defense master clock. United States Naval Observatory. Washington, D.C. 18 cesium atomic clocks and 4 hydrogen maser clocks. National Institute of Information and Communications Technology.ATOMIC CLOCK – Wikitime – Free Encyclopedia of Time,ATOMIC CLOCK various authors An atomic clock is a type of clock that uses an atomic resonance frequency standard as its timekeeping element.They are the most accurate time and frequency standards known, and are used as primary standards for international time distribution services, to control the frequency of television broadcasts, and in global navigation satellite
What are atomic clocks? - Encyclopedia Britannica
ATOMIC CLOCK ENGINEER: "All train station clocks, studio clocks at radio and television stations, public clocks and any time exact time measurements are needed, like when calculating electricity consumption and telephone conversation times, byAtomic Clock - an overview | ScienceDirect Topics,01/05/2000· Atomic Clock. Different types of atomic clocks use, as the atomic resonator hydrogen maser, rubidium (Rb) and cesium (Cs). From: Encyclopedia of Materials: Science and Technology, 2003 Related terms: RetinoblastomaClock | Encyclopedia,clock 1 / kläk / • n. a mechanical or electrical device for measuring time, indicating hours, minutes, and sometimes seconds, typically by hands on a round dial or by displayed figures. ∎ (the clock) time taken as a factor in an activity, esp. in competitive sports: her life is ruled by the clock. ∎ inf. a measuring device resembling a clock for recording things other than time, suchAtomic clock - Academic Kids,06/06/2005· An atomic clock is a type of clock that uses an atomic resonance frequency standard as its counter. Early atomic clocks were masers with attached equipment. Today's best atomic frequency standards (or clocks) are based on more advanced physics involving cold atoms and atomic fountains. National standards agencies maintain an accuracy of 10-9ATOMIC CLOCK – Wikitime – Free Encyclopedia of Time,ATOMIC CLOCK various authors An atomic clock is a type of clock that uses an atomic resonance frequency standard as its timekeeping element.They are the most accurate time and frequency standards known, and are used as primary standards for international time distribution services, to control the frequency of television broadcasts, and in global navigation satelliteatomic clock | Infoplease,atomic clock, electric or electronic timekeeping device that is controlled by atomic or molecular oscillations. A timekeeping device must contain or be connected to some apparatus that oscillates at a uniform rate to control the rate of movement of its hands or the rate of change of its digits. Mechanical clocks and watches use oscillating balance wheels, pendulums, and tuning forks.
Atomic clock - GIS Wiki | The GIS Encyclopedia
Atomic clocks are the basis of the GPS navigation system. The GPS master clock is a weighted average of atomic clocks at the ground stations and onboard the GPS satellites, each of which has several atomic clocks. Power consumption. This section requires expansion. Power consumption varies enormously, but there is a crude scaling with size. [citation needed] ChipAtomic Clock - an overview | ScienceDirect Topics,01/05/2000· Atomic Clock. Different types of atomic clocks use, as the atomic resonator hydrogen maser, rubidium (Rb) and cesium (Cs). From: Encyclopedia of Materials: Science and Technology, 2003 Related terms: Retinoblastomaatomic clock encyclopedia - bazantlubin,Atomic clock Simple English Wikipedia, the free encyclopedia. An atomic clock is a clock that works with atoms, as opposed to most other clocks which are mechanical. The frequency comes from the crossing radiation of electrons. Get Price; WWVB Wikipedia. WWVB is a time signal radio station near Fort Collins, Colorado and is operated by the National Institute of StandardsAtomic Clock - Wikipedia, The Free Encyclopedia - Brochures,31/07/2017· Share Atomic Clock - Wikipedia, The Free Encyclopedia. EmbedCesium - Energy Education,Still, the atomic clocks using Cesium keep time within an accuracy of 2 to 3 parts in 10 14: this means it may only lose a second once every 1.4 million years! To learn more about the science of Cesium clocks, visit Hyperphysics. Applications. There are many immediately practical uses for extremely accurate clocks. Perhaps the most important is in Earth's Global PositioningTime | The Canadian Encyclopedia,07/02/2006· The Canadian Encyclopedia, s.v. "Time," by Robert Douglas, Accessed January 03, 2022,, Using atomic clocks dispersed in the world's time laboratories, this time scale was coordinated internationally by radio. In the early 1960s civil time in Canada began to use this time scale, called Coordinated Universal Time (or UTC), as the modern implementation of the
Clock | Encyclopedia
clock 1 / kläk / • n. a mechanical or electrical device for measuring time, indicating hours, minutes, and sometimes seconds, typically by hands on a round dial or by displayed figures. ∎ (the clock) time taken as a factor in an activity, esp. in competitive sports: her life is ruled by the clock. ∎ inf. a measuring device resembling a clock for recording things other than time, suchAtomic clock - Academic Kids,06/06/2005· An atomic clock is a type of clock that uses an atomic resonance frequency standard as its counter. Early atomic clocks were masers with attached equipment. Today's best atomic frequency standards (or clocks) are based on more advanced physics involving cold atoms and atomic fountains. National standards agencies maintain an accuracy of 10-9Atomic Clock - an overview | ScienceDirect Topics,01/05/2000· Atomic Clock. Different types of atomic clocks use, as the atomic resonator hydrogen maser, rubidium (Rb) and cesium (Cs). From: Encyclopedia of Materials: Science and Technology, 2003 Related terms: RetinoblastomaAtomic Clocks - an overview | ScienceDirect Topics,Atomic clocks based on alkali atoms can be divided into four main categories. Fountain clocks (Clairon et al., 1991; Kasevich et al., 1989; Zacharias, 1953), the most accurate atomic clocks at present, are large devices that often take up the better part of an entire room and require several hundred watts of power.There exist perhaps 10 such instruments worldwide and each typicallyatomic clock encyclopedia - bazantlubin,Atomic clock Simple English Wikipedia, the free encyclopedia. An atomic clock is a clock that works with atoms, as opposed to most other clocks which are mechanical. The frequency comes from the crossing radiation of electrons. Get Price; WWVB Wikipedia. WWVB is a time signal radio station near Fort Collins, Colorado and is operated by the National Institute of StandardsAtomic_clock Encyclopedia References | Wikipedia,,30/06/2021· Atomic clock. From Wikipedia, the free encyclopedia. For a clock updated by radio signals which is sometimes incorrectly called an "atomic clock", see Radio clock,
Atomic clock schemes - Big Chemical Encyclopedia
Atomic clock schemes This chapter is organized as follows. First, the need for still further enhancement in the precision with which time is measured will be justified, and the concept of atomic clocks and their properties will be described in detail. Then, the properties required for such an atomic system suitable for time and frequency metrology will be developed as well asAtomic Clock - SlideShare,07/02/2010· We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.Does an atomic clock set itself? - Wikipedikia Encyclopedia,Within a few minutes, your clock will find the WWVB signal and set itself to the correct time or decide that it can’t receive the... Does an atomic clock set itself? - Wikipedikia Encyclopedia ?Time | The Canadian Encyclopedia,07/02/2006· The Canadian Encyclopedia, s.v. "Time," by Robert Douglas, Accessed January 03, 2022,, Using atomic clocks dispersed in the world's time laboratories, this time scale was coordinated internationally by radio. In the early 1960s civil time in Canada began to use this time scale, called Coordinated Universal Time (or UTC), as the modern implementation of theEncyclopedia entry | - | LearnEnglish,06/10/2021· Encyclopedia Britannica article on the, I went to Hiroshima for my school trip, I saw the Atomic Bomb Dome. At the Hiroshima Peace Memorial Museum, there are many items on display that recall the day that the Bomb dropped. Those made me sad and I felt so sorry about what happened on 1945 August 15. I saw paper cranes gifted by President Obama.,
