How and why do we measure time? - with Leon Lobo

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Why do we need to coordinate the way we measure time? And how do atomic clocks work? Find out with Leon Lobo, Head of the National Timing Centre (NTC) programme at the National Physical Laboratory.

This video is part of our celebration of British Science Week 2024, which this year has the theme of 'time'. Find out more at

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A chartered engineer, with a PhD in high power laser material processing, Dr Lobo joined NPL in 2011 as Group Leader for the Time & Frequency group, working with the team managing the UK’s time scale and developing quantum frequency standards. He led the team developing NPLTime®, NPL’s certified fibre-delivered time dissemination solution to the City of London for high frequency trading systems and regulatory compliance. 

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