I clicked the "download IES file" icon, but no photometric editor application opened. Why didn't the Viewer open?

You need to install an application that can read and render photometric data files. The Lithonia Photometric Viewer is available on the LightWare website. Install this application (or another photometric viewer application) prior to attempting to view the reports.

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I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.