Iconarmadilhemos a verdade para que ninguém lhe toque.

a iluminação pública futura

The solar trees went on display for four weeks in October on a busy street — the Ringstrasse — in Vienna, Austria. They were able to provide enough light during the night-time even when the sun did not show for as much as four days in a row. "The solar cells on the tree were able to store enough electricity in spite of receiving no direct solar light for days at a time because of the clouds. They showed that solar trees really are a practical form of street lighting,".



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