Line intensity mapping (LIM) is an observational technique that measures the integrated emission of spectral lines across large cosmological volumes without resolving individual sources. By capturing ...

Somewhere in the millimeter-wave static that washes over southern Arizona, there is a faint signal from galaxies that lit up when the universe was less than a billion years old. A Caltech-led team ...

A Line spectrum Enhancement method for LOw Frequency Analysis and Recording (LOFAR) spectrum based on the Radon transform (LELR) is proposed, which is to improve the ability of vector hydrophone ...

Twenty-five years ago, an enigmatic signal was discovered while analyzing the polarization of sunlight with a new instrument, the Zurich Imaging Polarimeter (ZIMPOL). This mysterious linear ...