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.
2. Identify all the cracks that need repair. Small cracks may not be visible when the fountain is wet, but once it has dried they will be easier to locate. If the fountain is made of concrete, small cracks will appear white once dry.. Clean the cracks with a stiff-bristled brush to remove dirt and debris that may be trapped inside. Dirt left in the cracks could prevent the sealant you use from bonding with the fountain.