In this article, we propose a self-gating radio frequency (RF) energy harvester (RFEH) for reaching a high-power harvesting efficiency (PHE) at a low incident RF power level with a high ...

Tactile sensation plays important roles in virtual reality (VR) and augmented reality (AR) systems. Here, a self-powered, painless and highly sensitive electro-tactile (ET) system for achieving ...

The US Navy SEALs are among the most elite Special Forces units in the world, and it comes as no surprise that their choice ...