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The Astrodisco by Clay Paky, a widely used disco light of the 1980s. The Claypaky company was founded in August 1976, taking its name from the shortened, anglicized form of the name of its founder, Pasquale (Paky) Quadri, one of the first entrepreneurs to realize that technological developments in lighting would have an enormous future in the show business and entertainment world.
Acousto-optics is a branch of physics that studies the interactions between sound waves and light waves, especially the diffraction of laser light by ultrasound (or sound in general) through an ultrasonic grating. A diffraction image showing the acousto-optic effect.
Light, or visible light, is a very narrow range of electromagnetic radiation of a wavelength that is visible to the human eye, or 380–750 nm which equates to a frequency range of 790 to 400 THz respectively. [4] More broadly, physicists use the term "light" to mean electromagnetic radiation of all wavelengths, whether visible or not.
Theatre Salina announced it was able to purchase new sound and lighting equipment thanks to several donations. The announcement comes just before the theater's season begins with "The Little ...
By definition, visible light is the part of the EM spectrum the human eye is the most sensitive to. Visible light (and near-infrared light) is typically absorbed and emitted by electrons in molecules and atoms that move from one energy level to another. This action allows the chemical mechanisms that underlie human vision and plant photosynthesis.
In physics, attenuation (in some contexts, extinction) is the gradual loss of flux intensity through a medium.For instance, dark glasses attenuate sunlight, lead attenuates X-rays, and water and air attenuate both light and sound at variable attenuation rates.
A light and sound machine with headphones and strobe light goggles. A mind machine (aka brain machine or light and sound machine) uses pulsing rhythmic sound, flashing light, or a combination of these. Mind machines can induce deep states of relaxation [1] or concentration. [2]
Alpha wave biofeedback has gained interest for having some successes in humans for seizure suppression and for treatment of depression. [35] Alpha waves again gained interest in regards to an engineering approach to the science fiction challenge of psychokinesis, i.e. control of movement of a physical object using energy emanating from a human ...