Personally, I prefer xkcd time. http://xkcd.com/1047/ http://xkcd.com/1047/ Seconds in a year: 75^4 seconds Age of the universe = 15^15 seconds Planck's con

Personally, I prefer xkcd time. http://xkcd.com/1047/ http://xkcd.com/1047/ Seconds in a year: 75^4 seconds Age of the universe = 15^15 seconds Planck's constant: 1/30^pi^e