How Lightsabers Work

Lightsabers are cool! If you've seen Star Wars, you'd want a lightsaber. This article on Howstuffworks.com will tell you how this weapon used by Jedi knights and masters work. The section on how to use the lightsaber at home states that

Although a lightsaber is typically used as a defensive weapon by Jedi knights, the availability of lightsabers on consumer sites such as eBay is growing. It is a sad fact of life, but if a Jedi knight falls on hard times, his lightsaber is one source of quick cash. He can always build another one.

The site also highlighted other uses for the lightsaber, such as "reheating coffee" and "lighting a cigarette". How about using it as a toothpick? Probably not so advisable.