quantum statistics of the coulomb systems
21Pi — This article is about the number. For the Greek letter, see Pi (letter). For other uses, see Pi (disambiguation). The circumference of a ci …
22Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …
23List of engineering topics — This page aims to list all topics related to the broad field of engineering. A more compact list can be found at list of basic engineering topics. See the bottom of the page for links to lists for specific engineering disciplines or for… …
24Western culture — For this article s equivalent regarding the East, see Eastern culture. For the Henry Cow album of the same name, see Western Culture (album). Leonardo da Vinci s Vitruvian Man. A symbol of the importance of humanism and empiricism in Western… …
25Anderson localization — In condensed matter physics, Anderson localization, also known as strong localization, is the absence of diffusion of waves in a disordered medium. This phenomenon is named after the American physicist P. W. Anderson, who was the first one to… …
26Physical law — A physical law or scientific law is a scientific generalization based on empirical observations of physical behavior (i.e. the law of nature [ E.g. an observable law relating to natural phenomena. Oxford Dictionary] ). Laws of nature are… …
