arc-excited laser
41List of The Prince of Tennis characters — The Prince of Tennis manga and anime series has a large cast of fictional characters created by Takeshi Konomi. Many of have appeared in the musical and film adaptations. The cast of the series is largely made up of the members of the various… …
42List of Primeval characters — Primeval characters: Top   A B C D E F G H I J K L M N O P Q R S T U V W X Y Z    References   External links …
43Wave–particle duality — Quantum mechanics Uncertainty principle …
44Photochemistry — Photochemistry, a sub discipline of chemistry, is the study of chemical reactions that proceed with the absorption of light by atoms or molecules.[1]. Everyday examples include photosynthesis, the degradation of plastics and the formation of… …
45electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …
46Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
47Ultraviolet–visible spectroscopy — Beckman DU640 UV/Vis spectrophotometer. Ultraviolet visible spectroscopy or ultraviolet visible spectrophotometry (UV Vis or UV/Vis) refers to absorption spectroscopy or reflectance spectroscopy in the ultraviolet visible spectral region. This… …
48Spark gap — A spark gap consists of an arrangement of two conducting electrodes separated by a gap usually filled with a gas such as air. When a suitable voltage is supplied, a spark forms, ionizing the gas and drastically reducing its electrical resistance …
49Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …
50Farscape Peacekeepers — Peacekeepers are a galactic military organization in the fictional Farscape universe. Peacekeepers were originally a law enforcement agency, but have since become a Private military company which employs their people as mercenary soldiers. For a… …
