Unweaving the Rainbow This pleasure was not in spite of, but rather because he does not assume as cause the inexplicable actions of a deity but rather the understandable laws of nature. His starting point is John Keats' well-known, light-hearted accusation that Isaac Newton destroyed the poetry of the rainbow by 'reducing it to the prismatic colours.' Dawkins's agenda is to show the reader that science does not destroy, but rather discovers poetry in the patterns of nature. It is of little concern whether or not science can prove that the ultimate fate of the cosmos lacks purpose: we live our lives regardless
Rainbow than the red light. Due to this angle, blue is seen on the inside of the arc of the primary rainbow, and red on the outside. The result of this is not only to give different colours to different parts of the rainbow, but also to diminish the brightness. (A "rainbow" formed by droplets of a liquid with no dispersion would be white, but brighter than a normal rainbow.) The light at the back of the raindrop does not undergo total internal reflection, and some light does emerge from the back. However, light coming out the back of the raindrop