We go about our busy days, occasionally glancing at our watch or the clock on the wall. But we seldom stop to think about how ...
Tracking time is one of those things that seems easy, until you really start to get into the details of what time actually is. We define a second as 9,192,631,770 oscillations of a cesium atom.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback