The classical approach to estimating the present number of technological civilizations in a volume around Earth (usually, the Galaxy) is…

The classical approach to estimating the present number of technological civilizations in a volume around Earth (usually, the Galaxy) is…
Since the magnetic field plays various roles in laboratory, space, and astrophysical plasmas, the generation of the magnetic field has…
Macroscopic dark matter (macros) is a broad class of dark-matter candidates that represents an alternative to conventional particle dark matter…