Researchers develop first maser with continuous microwave microwave at room temperature This crystal, which is illuminated by green laser light, is a maser - it emits a coherent microwave beam - and this for the first time continuously at room temperature. © Jonathan Breeze Read out Microwaves instead of light: researchers have for the first time developed a maser that emits a continuous microwave beam at room temperature.

Far Galaxy has two different old star rings At first glance, only the outer star ring of the polar ring galaxy PGC 1000714 can be seen. But there is another ring. © Ryan Beauchemin Read out Cosmic Nerd: Astronomers first discovered a galaxy surrounded by two rings of stars - one of young blue stars, one of older reddish ones.