Cool and accurate: An NPL researcher standing over one of their cryogenic current comparators. (Courtesy: NPL) Researchers in the UK have produced the most accurate cryogenic current comparator – a ...

Journal of Epidemiology and Community Health (1979-), Vol. 72, No. 7 (July 2018), pp. 559-563 (5 pages) Comparative population health studies are becoming more common and are advancing solutions to ...