Celsius Celsius scale are defined by absolute zero and the triple point of Vienna Standard Mean Ocean Water (VSMOW), a specially purified water. This definition also precisely relates the Celsius scale to the Kelvin scale, which defines the SI base unit of thermodynamic temperature with symbol K. Absolute zero, the lowest temperature possible, is defined as being exactly 0 K and −273.15 °C. The temperature of the triple point of water is defined as exactly . This means that a temperature difference of one degree Celsius and that of one kelvin are exactly the same. In 1742, Swedish astronomer Anders Celsius
Celsius 41.11 to make and includes a song, "John Boy", specially written and performed by the country music singer Larry Gatlin. "Celsius 41.11" was rated R by the Motion Picture Association of America because it contains a graphic image of an Iraqi torture victim and includes swearing on two occasions. The film's producers disagreed with the rating, stating that it wasn't "consistent with other films in theaters." They choose to appeal the rating but were ultimately unsuccessful. "Celsius 41.11" defends Bush against five of the arguments advanced by "Fahrenheit 9/11" and additionally criticizes John Kerry, arguing that his opposition to the Vietnam