The most accurate clock in the world is redefining the second

What if everything you knew about time was wrong and time actually moved at a different rate than what your watch or the clock on your phone is telling you right now? A new study is getting us closer to a much more accurate way to keep time and that could lead to more accurate GPS, faster stock trades, and a better power grid. http://ift.tt/eA8V8J

via CNN.com - Technology