​13 Things You Probably Don't Know About Lightsabers

Lightsabers. The weapon of a Jedi knight. An elegant weapon for a more civilized time. The most efficient limb-removal device in the galaxy. But who made them? How did George Lucas determine their colors? Are there other light-weapons in the Star Wars universe? Here are more than a dozen lightsaber facts only the… » 4/25/14 10:00am 4/25/14 10:00am

Why four is the nemesis of happy numbers

What are happy numbers? Primarily, happy numbers are proof that mathematicians take joy in strange things. It seems they have been playing with numbers the way that more normal (cough) people play with action figures, and have decided that there are a whole category of numbers that are happy. And then there is the… » 8/17/12 7:20am 8/17/12 7:20am