Atomic clocks are so accurate that they have an error rate of approximately 1 second in up to 100 million years.
If it moves, salute it. If it doesn’t, paint it grey.” President-elect Donald Trump’s pick for secretary of the Navy, John ...
The watch face always reads somewhere around 4:30 a.m. Willink rarely needs an alarm clock anymore, but if he does, he's got three, he writes in the book "Extreme Ownership: How US Navy SEALs Lead ...