Beijing (CNN) — For years, Chinese leader Xi Jinping has pushed ethnic minority groups like Tibetans and Uyghurs to adopt an identity rooted in Chinese nationality and allegiance to the ruling ...

For decades, scientists have tried to build a device even more precise than an atomic clock, which keeps time using electrons, the negatively charged particles that whiz around in an atom. Now, two ...

Two teams of physicists have made the world’s first nuclear clocks. These radical new devices keep time using fluctuations in the energy states of an atom’s nucleus, rather than those of its electrons ...

EL CENTRO, Calif. (KYMA) - A vibrant celebration of freedom, culture, and community unity returned to the Imperial Valley last Saturday with new interactive experiences for families. The Imperial ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...