Sep 07, 2017 · Bartholinus discovered that when a ray of unpolarised light is incident on a calcite crystal, two refracted rays are produced. This phenomenon is called double refraction. Newton's Prism Experiments. In 1665, Isaac Newton was a young scientist studying at Cambridge University in England. He was very interested in learning all about light and colors. One bright sunny day, Newton darkened his room and made a hole in his window shutter, allowing just one beam of sunlight to enter the room.
In the opening sections of the book, Newton showed how to reconstruct his prism experiments in more detail, which led to many more successful reconstructions. Newton interpreted Huygens’ findings in terms of his own particle theory of light. He suggested that the experiments with the calcite crystals showed that light has ‘sides’.
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