scintillation phenomenon

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• Scintillation (astronomy) — Scintillation or twinkling are generic terms for rapid variations in apparent brightness or color of a distant luminous object viewed through the atmosphere.If the object lies outside the earth s atmosphere, as in the case of stars and planets,… …   Wikipedia

• Scintillation (radar) — Scintillation is a fluctuation in the amplitude of a target on a radar display. It is closely related to target glint, or wander, an apparent displacement of the target from its mean position. This effect can be caused by a shift of the effective …   Wikipedia

• dream scintillation —    Also known as flickering consciousness. The term dream scintillation is indebted to the Latin noun scintilla (spark). It was introduced in or shortly before 1949 by the American neurobiologist Alexander Forbes (1882 1965) to denote… …   Dictionary of Hallucinations

• Scintillator — Scintillation crystal surrounded by various scintillation detector assemblies …   Wikipedia

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• photoelectric effect — Physics. the phenomenon in which the absorption of electromagnetic radiation, as light, of sufficiently high frequency by a surface, usually metallic, induces the emission of electrons from the surface. Also called photoemission. [1890 95] * * *… …   Universalium

• Index of optics articles — Optics is the branch of physics which involves the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it.[1] Optics usually describes the behavior of visible,… …   Wikipedia