Abstract: Several essential services, such as cellular phones, the Internet, television, navigation, weather prediction, and remote sensing, rely on satellites in low-Earth orbits, the technology for ...
Abstract: We present a comprehensive tutorial on the finite-difference time-domain (FDTD) modeling of space, time, and space-time-varying media, building upon our previous review by offering a ...
Sandra Demontigny, a 46-year-old mother of three from Lévis, Que., was diagnosed with Alzheimer’s disease eight years ago. Her father had also had Alzheimer’s, his mind slipping until his eventual ...