NIST confirmed several public time servers lost their atomic reference signal A generator failure interrupted the distribution of America’s primary atomic time scale Some NIST servers responded ...

Scientists at Delft University of Technology have managed to watch a single atomic nucleus flip its magnetic state in real time. Using a scanning tunneling microscope, they indirectly read the nucleus ...

What time is it? A glimpse at your phone or computer will likely reveal a pretty accurate answer. But though time seems constant, we’ve actually been adjusting it for decades—in the form of a leap ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...