Read article: The most precise timekeeping device ever built
Colorado-based researchers have reduced the systematic uncertainty in their optical lattice clock to a record low. Ali Lezeik explains how they did it
Read article: Atomic clocks on the Moon could create ‘lunar positioning system’
Lunar time standard would avoid pitfalls of time dilation
Read article: Second team uses laser to excite thorium-229 nuclear transition
Rapid progress being made in development of nuclear clock
Read article: Matter-wave interferometry puts new limits on ‘chameleon particles’
Gravity measurement benefits from optical lattice
Read article: Ship-based atomic clock passes precision milestone
Prototype outperforms existing microwave clocks under real-world conditions
Read article: Excitation of thorium-229 brings a working nuclear clock closer
Experiment suggests that a solid-state clock could be possible
Read article: Climate change will affect how time is corrected using ‘negative leap seconds’
Melting of polar ice is accelerating our planet’s angular velocity
Read article: Semiconductor metrology: positioning is key
High-precision positioning technologies underpin the 3D optical metrology systems used in semiconductor manufacturing and applied research and development
Read article: Quieter quantum device measures electrical current
Noise reduction in Josephson junctions could be used in metrology standard
Read article: Frequency comb identifies molecules every 20 nanoseconds
New laser-based system can resolve processes occurring on the nanosecond timescale
