As we know, time is also one of the most important factor in our daily life. With every second, minute and hour that is counted, we always try to spend our time wisely without wasting it – or at least with minimum wastage. Now, physicist newly invent a clock that can measure time at a 10^-18 fractional level.
From the thesis of An atomic clock with 10^-18 instability:
A measurement at the 10^-18 fractional level is equivalent to specifying the age of the known universe to a precision of less than one second or Earth’s diameter to less than the width of an atom.
Andrew Ludlow at the National Institute of Standards and Technology in Boulder, Colorado and his team used a technology known as an optical lattice clock. By bouncing a laser off a mirror, they’re able to create a standing wave of light which forms a lattice to trap atoms. This is a kind of eggbox in which the atoms sit. With the ytterbium atoms neatly trapped, the clock is free to zap them with a different laser and measure the electrons’ frequencies, leaving you with a clock that will only lose about one second every 31 billion years.
With the world accurate clock, I’m hoping that physicist will do a research on time travelling which practically means we can travel at – if not near – the speed of light or maybe travel to different dimension. It may sound crazy, but why not?
Via: Engadget, MIT
Source: An atomic clock with 10^-18 instability
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