Discussion in 'Science and Technology' started by W.G.Ewald, Oct 21, 2013.
Blue glowing 'starpath' could be the future of street lighting - Telegraph
Glow in the dark is good to light up the path, but places around it need to be lit up too. Especially if your in a shady area and muggers are around...but if the strength of the light is increased then in it increases the risk of health hazards, cause at higher concentrations, with prolonged exposure, UV rays can can be harmful.
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