NPL and SUERC calibrate a ‘rock clock’

New research by the National Physical Laboratory (NPL) and the Scottish Universities Environmental Research Centre (SUERC) will improve the accuracy of estimates of the time of geological events. The work centres on the calibration of one of the world’s slowest clocks, known as the ‘argon-argon clock’.

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NPL and SUERC calibrate a ‘rock clock’