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
Roll Over the Rainbow for "Tamashii Revolution", a globe for "Free Planet" and on the back cover a rainbow for "Roll Over the Rainbow". "Roll Over the Rainbow" was one of the four tracks found on the "Wildflower" single, a special release commemorating Superfly's 10th single since their debut. Each song featured a different style of rock, and a different commercial tie-up. The single came packaged with "Cover Songs: Best 'Track 3"', a compilation album compiling Superfly's English language cover songs that were featured on the B-sides of her singles. The song was first unveiled on May 29, when Superfly performed it at the