The big game today will be the first ever Super Bowl illuminated by LEDs instead of traditional metal halide lamps. University of Phoenix Stadium — home of the Arizona Cardinals and Super Bowl XLIX — was outfitted with the LED fixtures last year. Since LEDs are brighter than the old lamps, only 312 units were needed to replace the 780 metal halide lights that were originally installed in the stadium. The new lights also use 75 percent less energy, and they should last at least 20 years — far longer than the old lights that required maintenance every few seasons.
Brighter and whiter
But the lights are changing more than just corporate bottom lines. If you haven't watched a Cardinals game this season, you might notice a difference in the...
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