3 ms·
> I wonder if this initiative will come at the cost of increased crime in some areas. You can still have street lighting, but the design of is such that light
by throw0101a 4y ago
> I wonder if this initiative will come at the cost of increased crime in some areas.
You can still have street lighting, but the design of is such that light is directed down towards the ground where it is useful:
* https://nightsky.jpl.nasa.gov/download-view.cfm?Doc_ID=683 https://nightsky.jpl.nasa.gov/download-view.cfm?Doc_ID=683
If you take directly below the lamp to be 0˚ (nadir), then there should be absolutely no light going above the horizontal (90˚), and the lamp should keep the majority of the light at 45˚, with any spill being container to <65˚ (cutoff angle).
* https://www.landscapeforms.com/enlighten/pages/2-1/BUG-Rating-Article.aspx https://www.landscapeforms.com/enlighten/pages/2-1/BUG-Ratin...