Part one of term paper
In 1854, John Tyndall demonstrated to the Royal Society that light could be conducted through a curved stream of water, proving that a light signal could be bent. In 1880, Alexander Graham Bell invented his "Photo phone" which transmitted a voice signal on a beam of light. Bell focused sunlight with a mirror and then talked into a mechanism ...

Part two of term paper
... invented a system of light pipes lined with a highly reflective coating that illuminated homes by using light from an electric arc lamp placed in the basement and directing the light around the home with the pipes. In 1888, Medical team, Roth and Reuss of Vienna used bent glass rods to illuminate the bodies' cavities. In 1895, french engineer Henry Saint-Rene designed a system of bent glass rods for guiding light images in an attempt at early television. In 1898, American David Smith applied fo ...