The question Is there an opposite to absolute zero? seems innocent enough, right? Absolute zero is 0 on the Kelvin scale, or about minus 460 degrees Fahrenheit. You can't get colder than that; it would be like trying to go south from the South Pole. Is there a corresponding maximum possible temperature? Well, the answer, depending on which theoretical physicist you ask, is yes, no, or maybe. Find out more in this article from NOVA Online.