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
The Left – The Rainbow to launch the Anticapitalist and Communist List, which later became the Federation of the Left. Meanwhile, the Greens and Democratic Left, together with the Socialist Party, Movement for the Left and Unite the Left, formed Left Ecology Freedom. The federation, defined by its members as the "sinistra radicale" (which can be translated in English as both "radical left" and "far left"), was composed of four parties: The Left – The Rainbow The Left – The Rainbow (, SA), frequently referred as Rainbow Left (), was a left-wing federation of parties in Italy that participated in the 2008 general election. The