The length of a second might be about to change
We all know time is a construct, and right now, it's kept by the very precise tick of an international network of around 500 atomic clocks. But now researchers have shown that time could be kept even more accurately with a new-generation of clocks called optical clocks, and they want to use the new system to redefine a second - which would mean we could squeeze even more into our days. (more…)
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