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Lights at the Superdome could have been back on in minutes with an LED system developed by an Oak Ridge company that's using Oak Ridge National Laboratory technology. In 2010, LED North America (http://www.led-na.com) licensed an application for graphite foam, which passively cools components in light-emitting diode lamps. This technology is being used in LED North America's patent-pending module, eliminating most of the weight associated with traditional luminaires that incorporate high-power LEDs. The company has now expanded the concept, enabling an array of modules to be bundled. The lights are already being used in a high-bay application at a facility that handles logistics for Nissan as well as other indoor commercial warehouse buildings. These lights, which use less energy, could potentially replace the mercury lamps used at arenas and stadiums around the country, including the Superdome, which during Super Bowl XLVII experienced a power outage that knocked out many of the lights for half an hour.
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