Fig. 1. Conceptual illustration of the proposed low-profile self-stealth programmable metasurface. The metasurface exhibits radiation and stealth characteristics in the in-band co-polarization. It ...

A new neural implant is so small it can rest on a grain of salt, yet it can track and wirelessly transmit brain activity for over a year. It’s powered by laser light that safely passes through tissue ...

Abstract: A double-layer, dual-band, dual-polarized transmissive/reflective bifunctional metasurface is developed. The metasurface integrates a double-layer Huygens ...

Abstract: In this communication, a low-profile and low-cost bidirectional dual-circularly polarized (dual-CP) beam-scanning reflect-transmit antenna based on the multifunctional metasurface (MFM) is ...

A thermoradiative diode which is able to transmit hidden data. Credit: UNSW. Researchers in Australia have developed a new way to send digital information that is almost impossible to detect. The ...

To most people, calories are the North Star of nutrition: a rigid quantity assigned to each and every food that never wavers or changes. Two individuals who eat the exact same thing in the exact same ...