STATEN ISLAND, N.Y. — When Daylight Saving Time arrives next month, we have to set our clocks ahead one hour. But do we, really? Many of the clocks we rely on daily actually do the resetting all by ...

UC Boulder just announced an atomic clock that will run for 5 billion years. Swell. I understand that these clocks are super accurate in terms of counting out seconds (micro seconds, etc), but what is ...