Nikola Teslaâs invention of the laser may be one of the best examples of the good and evil bound up together within the mind of man. Lasers have transformed surgical applications in an undeniably beneficial way, and they have given rise to much of our current digital media.
by Demand Media. Special fountain tints or dyes are used to turn water blue. While the color blue is often used to to depict or represent water, in reality, blue is only a reflection of the atmosphere around it -- the sky above, when dealing with natural bodies of water, or a swimming pool's walls, which are often painted a shade of blue or aqua.
1 Absinthe fountains were traditionally used to drip the ice cold water into absinthe drinks.  Brouilleur devices can also be used to automatically drip the water into individual glasses. The brouilleur is placed over the glass, and water, ice cubes, or ice water (as well as sugar if desired) is added to it.