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Battelle Hall (originally known as the Ohio Center) is a 6,864 seat multi-purpose exhibit hall located in Columbus, Ohio, part of the Greater Columbus Convention Center. It opened as the Ohio Center on September 10, 1980, and although sometimes considered a white elephant because of its small size and seating capacity (concert fans usually found themselves driving to Cincinnati Riverfront Coliseum, Indianapolis Market Square Arena, Detroit Joe Louis Arena, Cleveland Richfield Coliseum or Pittsburgh Mellon Arena), it has been used for a variety of events, including concerts (Conway Twitty, Devo, Elvis Costello & The Attractions, The Stray Cats, Rick Springfield, Kiss (2/19/84), Culture Club, Ratt, The Pointer Sisters, Cyndi Lauper, Billy Idol, Billy Ocean, Richard Marx, Queensrÿche), trade shows, and sporting events such as the 1993 and 1994 Mid-American Conference men's basketball tournaments.
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The lux (symbol: lx) is the SI derived unit of illuminance, measuring luminous flux per unit area. It is equal to one lumen per square metre. In photometry, this is used as a measure of the intensity, as perceived by the human eye, of light that hits or passes through a surface. It is analogous to the radiometric unit watt per square metre, but with the power at each wavelength weighted according to the luminosity function, a standardized model of human visual brightness perception.