Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:castle
|
| gptkbp:accuracy |
extremely high
|
| gptkbp:basisFor |
gptkb:International_Atomic_Time
Coordinated Universal Time |
| gptkbp:builtBy |
gptkb:National_Institute_of_Standards_and_Technology
|
| gptkbp:category |
gptkb:timekeeping_device
|
| gptkbp:establishedIn |
1949
|
| http://www.w3.org/2000/01/rdf-schema#label |
The Atomic Clock
|
| gptkbp:improves |
optical lattice clock
|
| gptkbp:inventedBy |
gptkb:Isidor_Rabi
|
| gptkbp:location |
gptkb:International_Bureau_of_Weights_and_Measures
gptkb:NIST_Boulder_Laboratories |
| gptkbp:measures |
gptkb:time_zone
|
| gptkbp:usedElement |
gptkb:cesium
gptkb:rubidium hydrogen |
| gptkbp:usedFor |
gptkb:scientific_research
telecommunications global positioning systems international time standards |
| gptkbp:uses |
atomic resonance
|
| gptkbp:bfsParent |
gptkb:Gene_Hoglan
|
| gptkbp:bfsLayer |
7
|