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Photronic Eye Lights Up Cedar Rapids Streets
A photronic control atop the Iowa Electric plant signals when streetlights should turn on and off based on sky illumination. Engineer Don Hunt compares its accuracy to a daylight schedule, noting overcast days can shift timing by up to 40 minutes.
MENTIONED IN THIS ARTICLE
Bayne Freeland
Cedar Rapids Bistro
Iowa Electric Light and Power Company
Cedar Rapids
Itb
Don L. Hunt
Iowa
Hunt
Buffalo
Shellsburg
West Branch
Gismo