Rainbow Science
"Rainbows...the Mythology and the Magic" A rainbow can be classified as an extraordinary and attractive natural phenomenon that has fascinated humans throughout the ages. There have been numerous observations of rainbows and many different definitions passed out through the cultures. Descriptions such as " A rainbow is seven colors in the sky. It is a phenomenon which makes its appearance when it is raining at the same time when the sun is shining." (Irwin, 32) have been transmitted verbally through cultures. There are many different aspects to a rainbow; from the technical issues such as the refraction of light, to the mythology which includes the Irish stories of leprechauns. All of these combine to make the rainbow one of the most significantly symbolic shapes of the ages. The science behind the rainbow is very simple. A rainbow is simply an arc of concentric colored bands that develops when sunlight interacts with raindrops. Sunlight is refracted as it enters a raindrop, which causes the different wavelengths of visible light to separate. Longer wavelengths of light such as red are bent the least while shorter wavelengths of violet and blue are bent the most. ( Parkhurst, 58)
(Kemp, 153)The thought that treasures lie at the other end of the rainbow is one that is often associated with small Irish leprechauns who will grant you three wishes and surrender their pot of gold unto the finder. Genesis 9:13 reads: "I do set my bow in the cloud; and it shall be for a token of a covenant between me and the earth. Although the laws of physics find it absolutely impossible to walk under a rainbow, in believed in the same region of old Europe that anyone passing beneath the rainbow would be transformed, man into woman, woman into man. If the angle between the refracted light and the normal (which forms a perpendicular angle to the surface) if the drop of the surface is greater then the critical angle, about 48 degrees, then the light will reflect off the back of the raindrop. " This is also a symbol of the covenant between God and his followers. " Both children and grown-ups alike will always watch for rainbows from their rooms and car windows. Also very widespread is the connection with heaven. The rainbow draws the water up to the sky, from where it falls down to the earth again. (Schweizer, 212)Modern culture also plays upon the mystical reputation of the rainbow in movies such as "Dorothy and the Wizard of Oz. To Iranian Muslims, even the brilliance of the colors in the rainbow have significance. " In both the book and the film, Dorothy's house is lifted by a tornado and carried to the Land of Oz, which is described as over the rainbow. This song asks us "Why are there so many songs about rainbows and what's on the other side? Rainbows are visions but only illusions and rainbows have nothing to hide. One of these songs has been translated to: "A blue cloud is rising from the bog, from the bog blue, from the earth red, It's not raining from the blue cloud, it's raining from the claycolored. The theme song of the film, entitled (appropriately enough) "Over the Rainbow" contains lyrics that lead the listener to envision a mysterious land that lies beyond the rainbow. The New Testament takes a comparable approach to the rainbow when the Book of Revelations 4:3 reads "And he that sat was to look upon like a jasper and a sardine stone: and there was a rainbow round about the throne, in sight unto an emerald.
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