Rainbow which a glass prism could separate into the full spectrum of colours, rejecting the theory that the colours were produced by a modification of white light. He also showed that red light is refracted less than blue light, which led to the first scientific explanation of the major features of the rainbow. Newton's corpuscular theory of light was unable to explain supernumerary rainbows, and a satisfactory explanation was not found until Thomas Young realised that light behaves as a wave under certain conditions, and can interfere with itself. Young's work was refined in the 1820s by George Biddell Airy, who
I Can Sing a Rainbow version was also the closing theme song for the Philadelphia children's TV show, "Captain Noah and His Magical Ark." The song has been used to teach children names of colours. However, despite the name of the song, not all the colours mentioned are actually colours of the rainbow (the colour pink, in particular, is not), and they are not presented in order of the visible light spectrum. I Can Sing a Rainbow "I Can Sing a Rainbow," also known as "Sing a Rainbow," is a popular song written by Arthur Hamilton. It was featured in the 1955 film "Pete Kelly's