#InstrumentationAndMeasurement

**High-level backing** “Quantum Metrology: From Foundations to the Future” was held at NPL as part of the global celebrations for the UNESCO International Year of Quantum Science and Technology.

Physicists in Germany have created a new type of X-ray laser that uses a resonator cavity to improve the output of a conventional X-ray free electron laser (XFEL).

A miniature version of an atomic fountain clock has been unveiled by researchers at the UK’s National Physical Laboratory (NPL).

Machine-learning could help us use cosmic muons to peer inside large objects such as nuclear reactors.