A Spanish colorful invention
05 July 2011 @ 21:00
At the village near Sevilla (Mairena del Aljarafe) has been opened the first "Solmáforo" in Europe.It means: Sol (Sun) + Semáforo (traffic lights).It has been placed on the front of a pharmacy, named "Ciudad Expo".
This device consists in a traffic lights --with several colors: Green, yellow, orange, red and purple.Then, down this traffic lights there is a table with the explanation of those colors.It is used to analyze the sun´s ultraviolet rays.So, the green color means less dangerous and the purple color means the most dangerous one.
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