12. The Most Accurate Clock Ever
Think your watch is accurate? Think again. The most accurate clock in the entire world is not an ordinary clock – it is something called a strontium clock. This is an optical atomic clock that does timekeeping on the basis of an electronic transition in the Strontium atoms.
We won’t get into too many details, but you should know this – this clock is accurate to within one second over a whopping 15 billion years! Better match our watches with this one, what say?
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