Scintillation can refer to: *

Scintillation (astronomy) Twinkling, also called scintillation, is a generic term for variations in apparent brightness, colour, or position of a distant luminous object viewed through a medium.Wang, Ting-I; Williams, Donn"Scintillation technology bests NIST" , ''InTe ...

, atmospheric effects which influence astronomical observations *

Interplanetary scintillation In astronomy, interplanetary scintillation refers to random fluctuations in the intensity of radio waves of celestial origin, on the timescale of a few seconds. It is analogous to the twinkling one sees looking at stars in the sky at night, but ...

, fluctuations of radio waves caused by the solar wind *

Scintillation (physics) Scintillation is the physical process where a material, called scintillator, emits UV or visible light under excitation from high energy photons (X-rays or γ-rays) or energetic particles,(such as electrons, alpha particles, neutrons or ions). ...

, a flash of light produced in certain materials when they absorb ionizing radiation *

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 There are several kinds of mean in mathematics, especially in ...

, an apparent rapid target displacement occurring on radar displays *

Scintillation (medicine) Scintillating scotoma is a common visual aura that was first described by 19th-century physician Hubert Airy (1838–1903). Originating from the brain, it may precede a migraine headache, but can also occur acephalgically (without headache), als ...

, a rapidly oscillating pattern of visual distortions, often associated with migraine aura * Scintillation counter, a device that measures ionizing radiation *

Scintillating grid illusion A grid illusion is any kind of grid that deceives a person's vision. The two most common types of grid illusions are the Hermann grid illusion and the scintillating grid illusion. Hermann grid illusion The Hermann grid illusion is an optical illus ...

, an image in which compounded color contrasts cause an optical illusion of visual artifacts

See also