New work could be important for basic physics studies while helping set higher standards for metrology, navigation and positioning
Read article: Time-frequency dissemination breaks distance record
Nanopositioning specialist Queensgate and the UK’s National Physical Laboratory (NPL) have forged a productive collaboration yielding a good-practice implementation model for Queensgate’s in-house...
Read article: Innovation in optical interferometry: the secret of success in nanopositioning QA
Experiments could lead to "relativistic geodesy"
Read article: Gravitational time dilation measured on millimetre scale in atomic clocks
Proposed definition based on the quantum anomalous Hall effect would require a less complex experimental apparatus
Read article: Electrical resistance standard could get a revised quantum definition
Quantum conformance test method requires low light levels and relatively simple equipment
Read article: Quantum entanglement boosts accuracy of industrial quality inspections
New technique could be used in super-precision metrology
Read article: Sticky-tape speckle patterns help characterize X-ray mirrors
Prototype device is 100 times more sensitive than commercial versions and 10 times more sensitive than graphene-based alternatives
Read article: Monolayer strain sensor sets new record
Compact atomic timekeeper has shown good stability since its launch in 2019
Read article: Trapped-ion clock passes orbital test
Experiment shows that classical clocks exhibit the same relationship between entropy and accuracy as their quantum counterparts
Read article: Nanoscale clock hints at universal limits to measuring time
Experiments could boost our understanding of superconductivity and gas-giant stars
Read article: Crushing gold and platinum at extreme pressures sets new terapascal standards
