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Sir Isaac Newton was an English mathematician and physicist born in 1643 and died in 1727. He is considered one of the greatest scientists in history, who made many important contributions to many fields of science. His discoveries and theories were the groundwo ....

Middle of Essay
.... is a heterogeneous mixture of different colored light rays. He theorized that each ray was a different color, and that reflections and refractions cause colors to appear through the separation of the "white" light. To demonstrate and prove his theory, Newton used a prism. A prism is a type of lens with sharp angled edges that are able to separate light. Prisms can be very simple boxes or triangles or prisms can be in complex shapes like diamonds. The prism's ability to bend visible light into the different colors that make up the rainbow is what helped it become the perfect tool for Newton. To set up his experiment, Newton took a single beam ....