near-field approximation
21Metamaterial cloaking — Electromagnetism Electricity · …
22Taylorsville, Utah — Infobox Settlement official name = Taylorsville, Utah settlement type = City nickname = motto = imagesize = image caption = image mapsize = 250px map caption = Location of Taylorsville, Utah mapsize1 = map caption1 = subdivision type = Country… …
23Codes for electromagnetic scattering by spheres — this article list codes for electromagnetic scattering by a homogeneous sphere, layered sphere, and cluster of spheres. Some of the source codes may be available on [1]. Contents 1 Solution techniques 2 Classification …
24Ultrashort pulse — In optics, an ultrashort pulse of light is an electromagnetic pulse whose time duration is on the order of the femtosecond (10 − 15 second). Such pulses have a broadband optical spectrum, and can be created by mode locked oscillators. They are… …
25Scanning tunneling microscope — Image of reconstruction on a clean Gold(100) surface …
26Huygens–Fresnel principle — Wave refraction in the manner of Huygens …
27Wave–particle duality — Quantum mechanics Uncertainty principle …
28Pp-wave spacetime — In general relativity, the pp wave spacetimes, or pp waves for short, are an important family of exact solutions of Einstein s field equation. These solutions model radiation moving at the speed of light. This radiation may consist of:*… …
29Magnetic force microscope — MFM images of 3.2 GB and 30 GB computer hard drive surfaces. Magnetic force microscope (MFM) is a variety of atomic force microscope, where a sharp magnetized tip scans a magnetic sample; the tip sample magnetic interactions are detected and used …
30Underwater acoustic communication — is a technique of sending and receiving message below water. There are several ways of doing such communication but the most common is using hydrophones. Under water communication is difficult due to factors like multi path propagation, time… …
