For more than 50 years, airports around the world have been designated by three-letter codes, that usually—but not always—refer to their cities like ATL, DEN, and LAX.

Synchronization abounds in nature: from the flashing lights of fireflies to the movement of fish wriggling through the ocean, ...

Compared to other developed nations, the United States is an extreme outlier in the severity of its criminal legal system.

Objectives The length and frequency of previous sickness absence (SA) spells have been shown to be associated with future SA. The aim was to examine if this pattern persisted during the COVID-19 ...

When the wreckage stayed hidden, math became the only witness. “Frequency” follows the scientists who used radio waves, Doppler shifts, and silence itself to chart MH370’s fate a story where data ...

Abstract: True random number generator (TRNG) is a crucial component in security. In typical TRNGs, entropy comes directly from device noises. In this work, an improved method of using ...

Abstract: As existing orbital angular momentum (OAM) antennas have no control on the operating frequency after fabrication and cannot simultaneously manipulate the polarization and mode number, ...