But physicists had mostly decided not to take this negative time seriously. That’s because it can be explained by saying that ...

A U.S. research lab has announced one of the most precise measurements ever of how a subatomic particle behaves, teeing up a showdown that could either vindicate one of science’s most powerful ...

Assistant Professor Haocun Yu is something of a scientific diplomat. In a recent Physical Review Letters publication, she and ...

Here at Physics World we’re planning to publish special issues later this year on time (in July) and on SI units and measurement (in November). So to find out more about the latest work in these ...

This panel will review the National Institute of Standards and Technology (NIST) Physical Measurement Laboratory (PML). The Panel will produce a report that addresses the study's statement of task.

In the Environmental Optics Laboratory (EOL) we perform research to reduce uncertainties by developing new measurement and analytical methods. Several graduate and undergraduate students participate ...

Since 1959, the National Institute of Standards and Technology (NIST) has annually commissioned the National Academies of Sciences, Engineering, and Medicine to assess its various measurements and ...

The principal tool in the Atmospheric Physics Lab is a Fourier Transform Infrared (FTIR) spectrometer. Because the OH stretch (which is an IR active transition) in the water molecule is particularly ...