When an X-ray photon strikes a perovskite semiconductor crystal, it generates a pair of electric charges, one positive and one negative. When these charges reach electrodes at the perovskite edges, ...
PUDUKKOTTAI: Acting on directions of the Madurai Bench of the Madras High Court, a three-member team from the Pudukkottai Government Medical College Hospital on ...
The ring-shaped clouds around the nebula RCW 120 were detected by NASA's Spitzer Space Telescope in this composite image. The Black Eye Galaxy is a relatively isolated spiral galaxy 17 million ...