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
To the Point of producers and engineers, thanking the Coltrane family, and signing off with, "This has been "To the Point" from Public Radio International." When major national or international events occur, the show will occasionally scrap its pre-scheduled main segment in favor of bringing in commentators on the breaking stories. Though the live program beams by satellite to carrier stations at 11 am, KCRW airs it taped at 1pm, following "The World". To the Point To the Point was an hour-long public affairs radio program co-produced by KCRW in Santa Monica, California and Public Radio International. The program originated at KCRW at