Optics principles. For example, the Ames room, Hering, Müller-Lyer, Orbison, Ponzo, Sander, and Wundt illusions all rely on the suggestion of the appearance of distance by using converging and diverging lines, in the same way that parallel light rays (or indeed any set of parallel lines) appear to converge at a vanishing point at infinity in two-dimensionally rendered images with artistic perspective. This suggestion is also responsible for the famous moon illusion where the moon, despite having essentially the same angular size, appears much larger near the horizon than it does at zenith. This illusion so confounded Ptolemy that he incorrectly
Parallel Lines make "Parallel Lines" an extremely popular album in the United Kingdom, where it was a number-one hit and charted for 106 weeks during the late 1970s. "Q" magazine called the album "a crossover smash with sparkling guitar sounds, terrific hooks and middle-eights more memorable than some groups' choruses." In a retrospective appraisal of 1970s post-punk albums, "Spin" magazine's Sasha Frere-Jones said "Parallel Lines" may have been "the perfect pop-rock record" and Blondie's best album. Christian John Wikane from "PopMatters" later called it "a creative and commercial masterpiece by Blondie ... indisputably one of the great, classic albums of the rock