Antennas receive and transmit electromagnetic waves, delivering information to our radios, televisions, cellphones and more.

Two heads are better than one, as the saying goes, and sometimes two instruments, ingeniously recombined, can accomplish ...

a nonlinear metasurface not only selects and amplifies a specific circular polarization but also converts it into circularly polarized light at an entirely different frequency. For example ...

Researchers at the University of Tokyo have demonstrated that the direction of the spin-polarized current ... of electrons, for example, by applying light. "Spintronics had traditionally dealt ...