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

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

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 ...

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 ...

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 ...

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 ...