Description

The UK’s National Measurement Institute, the National Physical Laboratory (NPL), has created a time app using the time from the atomic clocks, based at their Labs in Teddington.

Why not check the accuracy of your phone’s clock against the UK’s official time?

• Watch your phone form a connection to the clocks that set the UK’s official time
• Check the difference between your device’s clock and the official time in the UK
• Learn how atomic clocks and internet time transfer work
• Try finding an atomic resonance yourself: the basis of an atomic clock

What's New in Version 1.1

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