Today most electric clocks or watches measure the steady vibrations of quartz crystals. But even the best pacemakers drift; in one form or another, creeping chaos eventually corrupts the order of ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Picture a clock ...

Ekkehard Peik is a clock-maker. But instead of spending his days looking at tiny cogs and springs through a magnifying glass, the tools of his trade are powerful lasers, wires and, occasionally ...

FOR THE discerning timekeeper, only an atomic clock will do. Whereas the best quartz timepieces will lose a millisecond every six weeks, an atomic clock might not lose a thousandth of one in a decade.

Sunrise alarm clocks mimic the gradually brightening light of the sun to ease you out of sleep. Think of it as a biological hack. “We evolved to align our sleep-wake cycles with the sun ...

This year, that date falls on Sunday, Nov. 3, with clocks rolling back one hour at 2 a.m. that morning. Daylight saving time is a changing of the clocks that typically begins in spring and ends in ...

Clocks will "fall back" one hour at 2 a.m. on Nov. 3, granting most people an extra hour of sleep. With the change comes earlier sunrises and nightfall well before 7 p.m. It won't be until March ...

This marks the return to standard time. When local time reaches 2 a.m., clocks will turn backward an hour to 1 a.m. Your ...

As convenient as it might be to use your phone as an alarm clock, standalone alarm clocks come with all kinds of features that can make waking up — or even going to sleep — a little less painful.

So too, the clocks will change. The sun will continue to set over two minutes earlier every day, until the end of daylight saving time, when it jolts an extra hour earlier. Between the summer and ...

A rising contender for the development of ultra-precise nuclear optical clocks is the nuclear first-excited state of 229 Th isotope. Its long half-life of 10 3 seconds and low excitation energy of ...