Atomic clock on your wrist

I like the clock on my computer and my wrist watch to show accurate time as precise as possible. The system clock on my computer is always synced to Internet Time Server of National Institute for Standards and Technology (NIST). And there are few wrist watches that get synced to NIST's Atomic Clock in Boulder, Colorado. Now, scientists at NIST have taken portable time keeping to new levels of accuracy with the creation of the device, which is driven by inner workings barely bigger than a grain of rice. CNN says the complete working watch would be the size of cube-size and would run on just 73 milliwatts. So now we can expect such a small chip to be integrated into cell phones and handhelds to get the devices synced to the Atomic Clock.