Absolute zero is -273.15 degrees Celsius and -459.67 degrees Fahrenheit. See Kelvin. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

At roughly minus 460 F, absolute zero is abysmally cold, yet at least we can imagine it. Being only a few hundred degrees below zero, it's in the realm of something we can put our minds around.

This article was originally published on bamsmackpow.com as Absolute Batman will hit Absolute Zero as a classic villain arrives.

Discover the story behind the making of NOVA's "Absolute Zero" at this Web site, which includes resources for teachers and students, information about the program's national partners, and Q&A ...

Opinions expressed by Forbes Contributors are their own. I write about physics, science, academia, and pop culture. This is, as the title promises, a history of cryogenic research: several hundred ...