|
gptkbp:instanceOf
|
gptkb:castle
|
|
gptkbp:accuracy
|
up to 1 second in millions of years
|
|
gptkbp:component
|
gptkb:Coordinated_Universal_Time_(UTC)
|
|
gptkbp:definedSISecond
|
1967
|
|
gptkbp:enables
|
precise synchronization
time transfer
frequency standards
|
|
gptkbp:establishedIn
|
1949
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
atomic clocks
|
|
gptkbp:inventedBy
|
gptkb:Isidor_Rabi
|
|
gptkbp:maintainedBy
|
gptkb:National_Institute_of_Standards_and_Technology_(NIST)
gptkb:International_Bureau_of_Weights_and_Measures_(BIPM)
|
|
gptkbp:measures
|
gptkb:time_zone
|
|
gptkbp:mostCommonType
|
gptkb:cesium_atomic_clock
|
|
gptkbp:operates
|
measuring frequency of electromagnetic radiation
|
|
gptkbp:otherTypes
|
gptkb:hydrogen_maser
gptkb:rubidium_atomic_clock
optical lattice clock
|
|
gptkbp:usedFor
|
space exploration
relativity experiments
testing fundamental physics
|
|
gptkbp:usedIn
|
gptkb:GPS
gptkb:astronomy
gptkb:navigation
telecommunications
international time standards
|
|
gptkbp:uses
|
atomic resonance
|
|
gptkbp:bfsParent
|
gptkb:satellite
|
|
gptkbp:bfsLayer
|
4
|