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A disco ball (also known as a mirror ball or glitter ball) is a roughly spherical object that reflects light directed at it in many directions, producing a complex display. Its surface consists of hundreds or thousands of facets , nearly all of approximately the same shape and size, and each has a mirrored surface.
A rotating ball emitting light beams, similar to a mirror ball. DJ lighting is a variant of stage lighting that is used by mobile DJs and in nightclubs. DJ lighting is generally used by mobile disco DJs and in most modern nightclubs and many late-night bars.
A clean US Quarter (minted 1970–2022), rotating on a flat hand mirror, viewed from the side near the mirror surface, demonstrates the phenomenon for a few seconds. Lit by a point source directly over the center of the soon to settle quarter, side ridges are illuminated when the rotation axis is away from the viewer, and in shadow when the ...
Mechanical television or mechanical scan television is an obsolete television system that relies on a mechanical scanning device, such as a rotating disk with holes in it or a rotating mirror drum, to scan the scene and generate the video signal, and a similar mechanical device at the receiver to display the picture.
Disco ball → Mirror ball – If the subject of this article predates disco music by 50 years, then it should really be referred to by a more generic term, such as mirror ball, which identifies physical, unchanging properties of the device. 70.123.152.102 03:17, 18 September 2011 (UTC)
In 1978 a Dallas, Texas-based lighting and sound company called Showco began developing a lighting fixture that changed color by rotating dichroic filters. During its development, the designers decided to add motors to motorize pan and tilt. They demonstrated the fixture for the band Genesis in a barn in England in 1980. The band decided to ...
Colour distribution of a Newton disk. The Newton disk, also known as the disappearing color disk, is a well-known physics experiment with a rotating disk with segments in different colors (usually Newton's primary colors: red, orange, yellow, green, blue, indigo, and violet, commonly known by the abbreviation ROYGBIV) appearing as white (or off-white or grey) when it's spun rapidly about its axis.
A Nipkow disk (sometimes Anglicized as Nipkov disk; patented in 1884), also known as scanning disk, is a mechanical, rotating, geometrically operating image scanning device, patented by Paul Gottlieb Nipkow in Berlin. [1] This scanning disk was a fundamental component in mechanical television, and thus the first televisions, through the 1920s ...
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