MEASURING TIME – FROM A YEAR TO AN ATOMIC SECOND
Time involves counting something. You can’t have the notion of time without the notion of a repetitive cycle. It could be sunsets, moon cycles, bird migrations, leaf color changes, the weather, you name it. The realist view of time is that it is part of the fundamental structure of the universe, a dimension in which events occur in sequence. It is a continuum with a past, present and an expectation of a future (we hope), and when we measure it we break it into uniform pieces. And nothing can be measured more accurately than time. This accuracy in measurement gives us an amazing flexibility in how much or little we want or need to measure time.
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WHY TWO CLOCKS ARE BETTER THAN ONE
Segal's Law states that "A man with one watch knows what time it is; a man with two watches is never quite sure." That law only applies to non-synchronized time systems, where clocks are not referenced and synchronized to a master time, and all clocks are run independently. For today’s IT enterprises, two time sources are far better than one, and depending on the size and needs of the IT network, multiple time sources are the way to go.
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HOW ABOUT SPENDING $300,000 ON A WATCH THAT DOESN’T TELL TIME
The Romain Jerome Company, makers of luxury watches, have come up with quite the concept – a watch that does not tell time. According to the company the Day & Night watch is “a timepiece combining symbols with watchmaking complications that constitute its own particular interpretation of Time.”
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