Cambridge (UK) City Council has covered an historic city pathway with ultraviolet particles which turn blue when the sun sets, in what could be the future of street lighting.
The technology, called 'Starpath', absorbs light during the day before emitting the artificial glow in the evening.
It is thought technology could one day replace streetlamps as a cheaper and more energy efficient form of lighting."
The technology has been developed by Surrey-based firm Pro-Teq Surfacing.
Luminous particles are spread on a standard path before being sprayed with a protective film to maintain their glow.
It is believed the firm could even adopt different colours in order to create a cycle lane when darkness sets in.
However, a full environmental impact assessment of the application should be accomplished before widely implementing the technology.
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