Engineered metamaterials offer unique functionalities for manipulating the spectral and spatial properties of electromagnetic waves in unconventional ways. Here, we report a novel approach for making reconfigurable metasurfaces capable of deflecting electromagnetic waves in an electronically controllable fashion. This is accomplished by tilting the phase front of waves through a two-dimensional...

In everyday life we encounter electromagnetic radiation in many different forms. Visible light, ultraviolet light, radio waves, and X-rays are all examples of electromagnetic radiation, differing only in wavelength. Infrared radiation occupies that region of the electromagnetic spectrum between visible light and microwaves. The figure below shows the major divisions of the electromagnetic spect...

This book [1] was written at an important point in the development of applications of electromagnetic (radio) waves to communications, navigation, and remote sensing. Such applications require accurate propagation predictions for a variety of path conditions, and this book provides the theoretical basis for such predictions. The book is based on fundamental research in electromagnetic wave prop...

Based on the potassium channel “origami windmill” model, and conservation law of cell membrane area ion inequality equation based Maxwell’s electromagnetic theory, it is theoretically proved that neurons can generate waves. The wave an energy wave, never disappear. Neurons are equivalent to engineering antennas, information between be transmitted through material basis for waves result exchange...

A wave is a disturbance that propagates through space and time, usually with the transference of energy from one point to another without permanent displacement of particles of the medium. The particles under this situation only oscillate about their equilibrium positions. If the particles oscillate in the direction of wave propagation, then the wave is called longitudinal wave. However, if the...

Just as the topology of the Fermi surface defines the properties of the free electrons in metals and semiconductors, the geometry of the iso-frequency surface in the phase space of the propagating electromagnetic waves, determines the optical properties of the corresponding optical materials. Furthermore, in the direct analog to the Lifshitz transition in condensed matter physics, a change in t...

Suggestions are made for physics laboratory exercises and the physics laboratory curricula are discussed for engineering majors where the properties of light and electromagnetic waves are studied in parallel. It is shown that there are important educational advantages of an experimental study of the properties of microwaves as an example of electromagnetic waves simultaneously with the properti...