Radiation within the visible spectrum can appear black if it is low in power – more specifically, lower in power than its ...

A new way to measure the temperatures of objects by studying the effect of their black-body radiation on Rydberg atoms has been demonstrated by researchers at the US National Institute of Standards ...

An international team of engineers and physicists have found a way to use quantum light to improve the performance of cutting ...

Astronomers have identified a quasar that may help explain how the universe’s “dark ages” finally ended. Astronomers have ...