A bright green liquid that has poured into the famous Grand Canal in Venice has caused a sensation and alarmed the Italian authorities. Surprisingly, the water near the Rialto Bridge brightened in a phosphorescent green color of unknown origin.
A bright green liquid that has poured into the famous Grand Canal in Venice has caused a sensation and alarmed the Italian authorities. Surprisingly, the water near the Rialto Bridge brightened in a phosphorescent green color of unknown origin.
But early analysis indicated that the green spot was most likely caused by a release of fluorescein. It is a harmless dye that is usually used to track the flow of water.
