Twins, clocks and geometry.
General covariance principle for operation and measurement requirements of space-time models
RELATIVITY↗
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Results for “clock”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Time synchronization of remote clocks using dual VLF transmission.
Receiver design and results of dual VLF TRANSMISSIONS for obtaining timing information
REMOTE CONTROL↗
Engineering developments for the Primary Atomic Reference Clock in Space (PARCS)experiment
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PARCS atomic clock space station↗
Stability measurements between two Hg LITE 12-pole clocks
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Hg LITE 12-pole clocks stability measurements↗
Advanced atomic clock standards
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clocks oscillators linear ion trap↗
In search of new physics with atomic clocks in space
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physics atomic clocks space↗
Mercury-ion clock based on a linear multi-pole ion trap
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ion clock↗
Search for new physics with atomic clocks near the sun
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physics atomic clocks Sun↗
Phase modulation for reduced vibration sensitivity in laser-cooled clocks in space
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frequency standards atomic clocks phase modulation↗
Improved Timekeeping Using Advanced Trapped Ion Clocks
Timekeeping requires practical, continuously operating, frequency standards with exceptional long term stability.
Atomic Clock Timekeeping Ion Trap↗
Development of Flight Technology for Future Laser-Cooled Space Clocks
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laser cooling atomic clock frequency standard lase↗
Predicting GPS Clocks in the Post-Selective Availablity Era
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GPS Clocks↗
Phase modulation for reduced vibration sensitivity in laser-cooled clocks in space
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atomic clocks frequency standards microgravity↗
A Novel Approach for the Development of Flywheel Oscillators for Atomic Clocks
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Atomic Clocks Flywheel Oscillators↗
Gravitational Wave Search with the Clock Mission (abstract)
Doppler tracking of distant spacecraft is the only method currently available for search for gravitational waves in the low-frequency band. Experiments to date and those planned for the near future all involve.
clocks gravitational waves doppler frequency stand↗
Glace: A Technology Demonstration Experiment for Laser Cooled Atomic Clocks in Space
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Glace laser cooling cesium frequency standard atom↗
Precision Clocks Using Superconducting Niobium Cavities
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High-Q cavities precise time-keeping planetary nav↗