The National Physical Laboratory (NPL) is the UK's national measurement institute, located in Teddington, London. It plays a crucial role in developing and maintaining measurement standards across various scientific fields, ensuring accuracy and consistency in measurements used in industry and research. NPL conducts cutting-edge research in areas such as metrology, materials science, and quantum technology. By providing calibration services and developing new measurement techniques, NPL supports innovation and helps businesses improve their products and processes, contributing to the overall advancement of science and technology in the UK and beyond.