negative glow
41Infrared photography — Top: tree photographed in the near infrared range. Bottom: same tree in the visible part of the spectrum …
42Microplasma — A microwave microplasma jet Microplasmas are plasmas of small dimensions, ranging from tens to thousands of micrometers. They can be generated at a variety of temperatures and pressures, existing as either thermal or non thermal plasmas. Non… …
43Martha Young-Scholten — is a linguist specialising in the phonology and syntax of second language acquisition (SLA). She has been a senior lecturer at the University of Newcastle upon Tyne in the United Kingdom since September 2006. Her PhD concerned the structure of… …
44X-ray — [ 22 December 1895 and presented to Professor Ludwig Zehnder of the Physik Institut, University of Freiburg, on 1 January 1896. The dark oval on the third finger is a shadow produced by her ring. [cite book last = Kevles first =Bettyann Holtzmann …
45St. Elmo's fire — For other uses, see St. Elmo s fire (disambiguation). St. Elmo s fire on a ship at sea St. Elmo s fire (also St. Elmo s light[1][2]) is a weather phenomenon …
46photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
47Superlens — A superlens, super lens or perfect lens is a lens which uses metamaterials to go beyond the diffraction limit. The diffraction limit is an inherent limitation in conventional optical devices or lenses.[1] In 2000, a type of lens was proposed,… …
48Corona discharge — The corona discharge around a high voltage coil …
49Radio-controlled helicopter — Nitro powered Align T Rex 600 NSP Electric powered Venom Ai …
50The Looking Glass Wars — infobox Book | name = The Looking Glass Wars title orig = translator = image caption = author = Frank Beddor illustrator = cover artist = country = United States language = English series = genre = Fantasy, Novel publisher = Dial release date =… …
