A method for estimating distances in sailing and astrophysics helps explain why riding on buses and boats can make us nauseous. This month’s Insights puzzle was inspired by a new way to determine the ...

A team of astronomers has used asteroseismology, or the study of stellar oscillations, to accurately measure the distance of stars from the Earth. Their research examined thousands of stars and ...

One of the “game changing” pieces of scientific news in 2017 concerns the collision of two neutron stars about 130 million light-years away, first detected on August 17. One reason astronomers and ...

Sensors for the measurement of displacement based on a number of different physical principles are available for a wide range of applications. This article considers systems capable of resolutions of ...