Area of a circle of Cnidus in the fifth century B.C. had found that the area of a disk is proportional to its radius squared. Archimedes used the tools of Euclidean geometry to show that the area inside a circle is equal to that of a right triangle whose base has the length of the circle's circumference and whose height equals the circle's radius in his book "Measurement of a Circle". The circumference is 2"r", and the area of a triangle is half the base times the height, yielding the area "r" for the disk. Prior to Archimedes, Hippocrates of Chios was the first
There Is a Light That Never Goes Out from the Smiths' masterpiece third album, "The Queen Is Dead"." In 2014, "NME" listed "There Is a Light That Never Goes Out" as the 12th greatest song of all time. The website Acclaimed Music lists it as the 78th most acclaimed song of all time, and the 8th most acclaimed song of the 1980s. There is a chapter in Irvine Welsh's novel "Trainspotting" named after this song, which mentions its title directly. The song appears on the soundtrack to "(500) Days of Summer"; in the film, it is used to bring the main characters together. The song has been covered