100 Little Known Facts About Star Wars - Page 3 of 4 - Fact Republic
1. Carrie Fisher wore no underwear in Star Wars because George Lucas convinced her "there is no underwear in outer space." 2. In Star Wars, the Jedi aren't necessarily the good guys, and the Sith aren’t necessarily the villains. They simply have competing ideas about how to use the force.
Star Wars Tech: How A Lightsaber Works [Infographic]
The lightsabers are not explained in the movies and there are obvious scientific issues that may be unsolvable. Still, it's fun to consider the science behind these things.

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