Electric Power

Visions of the Future from an Airplane Window

In the early 1980’s I was selling high efficicency sodium lighting. I could look out an airplane window and tell that there was a huge potential to increase the efficiency of outdoor lighting. It was easy to see where old fashioned blue-tinted mercury vapor lights were being used and where the newer high efficiency gold-tinted sodium lights were. Over the next 2 decades the gold became ubiquitous. Now when I look out the […]