According to modern theories of spectral emission, these lines are due to an atom which has lost one electron. The principal line due to the normal atom of calcium is the g-line 4227, and the ...

Superradiant Smith-Purcell radiation (S-SPR) is a kind of free electron radiation with a train of free electron bunches ...

In every scientific discovery in the movies, a scientist observes something unexpected, scratches the side of his or her ...

To design the UWB pulse, considering the pulse shape is very necessary, and a spectral emission mask of the designed pulse should meet the FCC spectral mask requirement between frequency range 3.1 GHz ...

Abstract: In this paper, we study the object SDSS J1130+0058 which is the only active galactic nuclei (AGN) known to have both double-peaked low-ionization broad emission lines and X-shaped radio ...

Researchers delved into the curious case of SXP 138, a pulsar in a binary star system whose cosmic clock is not ticking as ...

Scientists have discovered a new four-body quasi-particle, the quadruplon, in a 2D semiconductor. Using laser experiments and advanced theory, they identified unique spectral features unexplained by ...

Structural analysis via X-ray crystallography reveals that bifuran derivatives exhibit tighter packing and more rigid molecular backbones, which contributes to the observed aggregation-induced ...

An astonishing discovery from the James Webb Space Telescope may rewrite our understanding of the Universe’s early years. A ...

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