9 relations: Atomic clock, Atomic fountain, International Bureau of Weights and Measures, Italy, New Scientist, NIST-F1, Time, Turin, United States.
Atomic clock
An atomic clock is a clock device that uses an electron transition frequency in the microwave, optical, or ultraviolet region of the electromagnetic spectrum of atoms as a frequency standard for its timekeeping element.
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Atomic fountain
An atomic fountain is a cloud of atoms that is tossed upwards in the Earth's gravitational field by lasers.
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International Bureau of Weights and Measures
The International Bureau of Weights and Measures (Bureau international des poids et mesures) is an intergovernmental organization established by the Metre Convention, through which Member States act together on matters related to measurement science and measurement standards.
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Italy
Italy (Italia), officially the Italian Republic (Repubblica Italiana), is a sovereign state in Europe.
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New Scientist
New Scientist, first published on 22 November 1956, is a weekly, English-language magazine that covers all aspects of science and technology.
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NIST-F1
NIST-F1 is a cesium fountain clock, a type of atomic clock, in the National Institute of Standards and Technology (NIST) in Boulder, Colorado, and serves as the United States' primary time and frequency standard.
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Time
Time is the indefinite continued progress of existence and events that occur in apparently irreversible succession from the past through the present to the future.
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Turin
Turin (Torino; Turin) is a city and an important business and cultural centre in northern Italy.
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United States
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
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