window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', 'UA-41134143-1');
Loading Events

How do we set the standard units to measure by? Prof. Graham Machin of the National Physical Laboratory tells the story of the evolution of the international system of units in use today – and how a major change is taking place this year. He will show examples of measuring equipment and describe developments in areas like temperature measurement – from the monitoring of nuclear waste to global warming.