And it will have taken about eight years in all to swap out all of those old-style streetlights across Mankato with high-efficiency LED lights. It was the summer of 2017 when a private electrician ...
Think back to mixing primary-color paint in grade school. Remember how mixing in yellow changes white, blue and red? Lighting is no exception. A problem too often overlooked is how the yellow-tinted ...
Pittsburgh officials are considering moving ahead with a plan to convert the city’s streetlights to LED lights. City Council gave preliminary approval Wednesday to pay The Efficiency Network, a ...
GRAND RAPIDS, MI – A Grand Rapids $10 million project to convert all city streetlights to LED lights is nearly complete. Grand Rapids officials announced Wednesday, Jan. 17, they were embarking on the ...
A new study has revealed the chemical bonding behind sodium's high-pressure transformation from shiny metal to transparent insulator. Travel deep enough below Earth's surface or inside the center of ...
For almost two generations of Chicagoans, orange has been the color of night. High pressure sodium vapor lights, which create a glow reminiscent of a tire fire, have lit Chicago since the 1970s. They ...
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