The Conversation

Sharper GPS needs even more accurate atomic clocks

Author: The Conversation

How accurate is that GPS navigation? Flickr/Marcin Wichary, CC BY

The GPS network might just be Earth’s greatest piece of infrastructure. It’s effectively a collection of clocks in space that serve up time information 24/7 free of charge to anyone on the planet who cares to listen.

These timing signals have all sorts of important...

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